<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2024 Workiva-->
<!--r:df28ed6f-0e22-4638-b3ef-a0b5b4a82b75,g:c2ad3855-0205-4b78-8837-3d749fd18d49-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://viciproperties.com/role/Cover" xlink:type="simple" xlink:href="vici-20231231.xsd#Cover"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_3a5c46b3-e910-48cf-96d2-002996cc144a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_DocumentInformationTable_3a5c46b3-e910-48cf-96d2-002996cc144a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_bcc834d7-abf4-44ef-9643-801a21dea470" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_3a5c46b3-e910-48cf-96d2-002996cc144a" xlink:to="loc_dei_LegalEntityAxis_bcc834d7-abf4-44ef-9643-801a21dea470" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_bcc834d7-abf4-44ef-9643-801a21dea470_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_bcc834d7-abf4-44ef-9643-801a21dea470" xlink:to="loc_dei_EntityDomain_bcc834d7-abf4-44ef-9643-801a21dea470_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_1d4c8906-f4d8-45c0-9d62-e8c01dd3d943" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_bcc834d7-abf4-44ef-9643-801a21dea470" xlink:to="loc_dei_EntityDomain_1d4c8906-f4d8-45c0-9d62-e8c01dd3d943" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIPropertiesLPMember_82ae4419-9354-4cf7-8357-c456467473fa" xlink:href="vici-20231231.xsd#vici_VICIPropertiesLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_1d4c8906-f4d8-45c0-9d62-e8c01dd3d943" xlink:to="loc_vici_VICIPropertiesLPMember_82ae4419-9354-4cf7-8357-c456467473fa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_ae8be6b2-6127-48e1-bd5f-e492f3d4e1d7" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_DocumentType_ae8be6b2-6127-48e1-bd5f-e492f3d4e1d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport_46874276-109b-45da-a1c7-fe96ea5e0da9" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentAnnualReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_DocumentAnnualReport_46874276-109b-45da-a1c7-fe96ea5e0da9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_a071ba65-3738-45cb-b8e0-b6f2d904819b" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_DocumentPeriodEndDate_a071ba65-3738-45cb-b8e0-b6f2d904819b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_3b24a0e1-8e5e-4d05-8b28-6e9311a43707" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_CurrentFiscalYearEndDate_3b24a0e1-8e5e-4d05-8b28-6e9311a43707" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_9129552c-17f0-4901-9e6d-03e2f4ea06b1" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_DocumentTransitionReport_9129552c-17f0-4901-9e6d-03e2f4ea06b1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_be559f13-1b8a-47a1-bd79-a640ce88d899" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityFileNumber_be559f13-1b8a-47a1-bd79-a640ce88d899" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_e83c4f5c-251e-4679-ad44-1afef15bfbb6" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityRegistrantName_e83c4f5c-251e-4679-ad44-1afef15bfbb6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_e7e313c0-a3f7-4e71-84b6-7f8690903c3e" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityIncorporationStateCountryCode_e7e313c0-a3f7-4e71-84b6-7f8690903c3e" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_9b72075c-75a6-4a3f-b746-f20988051486" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityTaxIdentificationNumber_9b72075c-75a6-4a3f-b746-f20988051486" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_0b41898e-5ce4-47a5-b7b1-c5ce7e666082" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityAddressAddressLine1_0b41898e-5ce4-47a5-b7b1-c5ce7e666082" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_d592c6aa-eddd-4dc1-8910-dab43bbbc4d3" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityAddressCityOrTown_d592c6aa-eddd-4dc1-8910-dab43bbbc4d3" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_dd7791ec-63e6-470c-8e84-fca2e10efaa3" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityAddressStateOrProvince_dd7791ec-63e6-470c-8e84-fca2e10efaa3" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_68ff0bcd-2bec-44a7-9f16-c7551a7ee062" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityAddressPostalZipCode_68ff0bcd-2bec-44a7-9f16-c7551a7ee062" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_d60eb800-acad-41d1-b1e1-02a758b9c697" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_CityAreaCode_d60eb800-acad-41d1-b1e1-02a758b9c697" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_088aa978-d8b4-48e8-8342-a11b3bd4fb16" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_LocalPhoneNumber_088aa978-d8b4-48e8-8342-a11b3bd4fb16" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_fc4f13c7-ee8e-4faf-955c-20f8c1a44511" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_Security12bTitle_fc4f13c7-ee8e-4faf-955c-20f8c1a44511" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_6f73f1de-9a26-48a0-ba39-1d947b44f450" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_TradingSymbol_6f73f1de-9a26-48a0-ba39-1d947b44f450" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_d5093e08-0915-4ed6-b066-66ed3d29c072" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_SecurityExchangeName_d5093e08-0915-4ed6-b066-66ed3d29c072" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_797c69aa-7651-41ec-8140-1387ce6afb69" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_797c69aa-7651-41ec-8140-1387ce6afb69" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers_205d027f-3446-4753-b09b-2f72a2bc1ff2" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityVoluntaryFilers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityVoluntaryFilers_205d027f-3446-4753-b09b-2f72a2bc1ff2" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_f5b3192c-a2c3-46d7-ac40-495000553dbb" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityCurrentReportingStatus_f5b3192c-a2c3-46d7-ac40-495000553dbb" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_71b6cf7d-1c1a-4e78-b773-b6348cca4a44" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityInteractiveDataCurrent_71b6cf7d-1c1a-4e78-b773-b6348cca4a44" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_484bd319-f709-4800-9f54-337442474605" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityFilerCategory_484bd319-f709-4800-9f54-337442474605" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_492e73a5-ec29-4e26-b666-7ff888122afe" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntitySmallBusiness_492e73a5-ec29-4e26-b666-7ff888122afe" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_29e2fb66-637b-4d10-b898-4206d799882b" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityEmergingGrowthCompany_29e2fb66-637b-4d10-b898-4206d799882b" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag_35ae363d-5ac0-414c-a908-5ae81a856445" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_IcfrAuditorAttestationFlag_35ae363d-5ac0-414c-a908-5ae81a856445" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFinStmtErrorCorrectionFlag_0c2476aa-e036-4c1b-90c0-95ddbaeaa51a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFinStmtErrorCorrectionFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_DocumentFinStmtErrorCorrectionFlag_0c2476aa-e036-4c1b-90c0-95ddbaeaa51a" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_1cacade0-bbbe-4afd-9531-e5e1494e1065" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityShellCompany_1cacade0-bbbe-4afd-9531-e5e1494e1065" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityPublicFloat_c483289f-b299-4372-9abc-ab9a46d8307e" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityPublicFloat"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityPublicFloat_c483289f-b299-4372-9abc-ab9a46d8307e" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_cf13da91-c62e-4f92-9b80-eb0539b4d87b" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_cf13da91-c62e-4f92-9b80-eb0539b4d87b" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentsIncorporatedByReferenceTextBlock_7749b143-4457-4af5-86b4-cd8fe8ae0b3a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentsIncorporatedByReferenceTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_DocumentsIncorporatedByReferenceTextBlock_7749b143-4457-4af5-86b4-cd8fe8ae0b3a" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_7bdc2c4d-2dad-43b5-bee8-3c10687e20a8" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_AmendmentFlag_7bdc2c4d-2dad-43b5-bee8-3c10687e20a8" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_611d18c2-d2d3-44d1-b373-e64ddf4e7762" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_DocumentFiscalPeriodFocus_611d18c2-d2d3-44d1-b373-e64ddf4e7762" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_c9a48d95-9904-4489-9247-2fb5703b675d" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_DocumentFiscalYearFocus_c9a48d95-9904-4489-9247-2fb5703b675d" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_2c1bf108-9f05-4f14-b877-1926cbd99873" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_3ba61e01-45c1-4440-ae3e-518338875331" xlink:to="loc_dei_EntityCentralIndexKey_2c1bf108-9f05-4f14-b877-1926cbd99873" xlink:type="arc" order="34"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/AuditInformation" xlink:type="simple" xlink:href="vici-20231231.xsd#AuditInformation"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/AuditInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_vici_AuditInformationLineItems_cc96ba1e-c9d7-4e11-a8bd-ae816e98c73b" xlink:href="vici-20231231.xsd#vici_AuditInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AuditInformationTable_bf2af709-148f-4ff7-98fd-2cfe8b811eaa" xlink:href="vici-20231231.xsd#vici_AuditInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_vici_AuditInformationLineItems_cc96ba1e-c9d7-4e11-a8bd-ae816e98c73b" xlink:to="loc_vici_AuditInformationTable_bf2af709-148f-4ff7-98fd-2cfe8b811eaa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_db4aad42-cbd2-4108-a561-f8f6a77371fe" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_vici_AuditInformationTable_bf2af709-148f-4ff7-98fd-2cfe8b811eaa" xlink:to="loc_dei_LegalEntityAxis_db4aad42-cbd2-4108-a561-f8f6a77371fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_db4aad42-cbd2-4108-a561-f8f6a77371fe_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_db4aad42-cbd2-4108-a561-f8f6a77371fe" xlink:to="loc_dei_EntityDomain_db4aad42-cbd2-4108-a561-f8f6a77371fe_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_550d3a80-c30c-43df-a67a-adae03350ff5" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_db4aad42-cbd2-4108-a561-f8f6a77371fe" xlink:to="loc_dei_EntityDomain_550d3a80-c30c-43df-a67a-adae03350ff5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIPropertiesLPMember_da42cd6d-b610-458a-9c09-2a7af4808ef9" xlink:href="vici-20231231.xsd#vici_VICIPropertiesLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_550d3a80-c30c-43df-a67a-adae03350ff5" xlink:to="loc_vici_VICIPropertiesLPMember_da42cd6d-b610-458a-9c09-2a7af4808ef9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorFirmId_883f4b01-4d85-41cc-b6d1-a9938015cf5a" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AuditorFirmId"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_AuditInformationLineItems_cc96ba1e-c9d7-4e11-a8bd-ae816e98c73b" xlink:to="loc_dei_AuditorFirmId_883f4b01-4d85-41cc-b6d1-a9938015cf5a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorName_be6768f5-6710-4e7a-8baf-a051db723244" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AuditorName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_AuditInformationLineItems_cc96ba1e-c9d7-4e11-a8bd-ae816e98c73b" xlink:to="loc_dei_AuditorName_be6768f5-6710-4e7a-8baf-a051db723244" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AuditorLocation_52bcbb8b-e1c1-4bb6-8ab2-9648bf919d27" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_AuditorLocation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_AuditInformationLineItems_cc96ba1e-c9d7-4e11-a8bd-ae816e98c73b" xlink:to="loc_dei_AuditorLocation_52bcbb8b-e1c1-4bb6-8ab2-9648bf919d27" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/VICIPROPERTIESINCCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="vici-20231231.xsd#VICIPROPERTIESINCCONSOLIDATEDBALANCESHEETS"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/VICIPROPERTIESINCCONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_63fb3872-a0ef-49e4-b96f-32d68438f8ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_a1299fb2-138c-4e00-ad89-844f389260df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_63fb3872-a0ef-49e4-b96f-32d68438f8ae" xlink:to="loc_us-gaap_StatementTable_a1299fb2-138c-4e00-ad89-844f389260df" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_32a2d2c1-f48f-4957-937a-d7f32ab268ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_a1299fb2-138c-4e00-ad89-844f389260df" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_32a2d2c1-f48f-4957-937a-d7f32ab268ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_32a2d2c1-f48f-4957-937a-d7f32ab268ab_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_32a2d2c1-f48f-4957-937a-d7f32ab268ab" xlink:to="loc_us-gaap_ReceivableTypeDomain_32a2d2c1-f48f-4957-937a-d7f32ab268ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_f17ef991-1881-4b7f-8268-fca044d8b54d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_32a2d2c1-f48f-4957-937a-d7f32ab268ab" xlink:to="loc_us-gaap_ReceivableTypeDomain_f17ef991-1881-4b7f-8268-fca044d8b54d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceReceivablesMember_655d07bb-57b7-4185-8e61-bb0915611f51" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceReceivablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_f17ef991-1881-4b7f-8268-fca044d8b54d" xlink:to="loc_us-gaap_FinanceReceivablesMember_655d07bb-57b7-4185-8e61-bb0915611f51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoansReceivableAndSecuritiesMember_a11a6cb1-bd0c-45a5-84b3-1fdc50266275" xlink:href="vici-20231231.xsd#vici_LoansReceivableAndSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_f17ef991-1881-4b7f-8268-fca044d8b54d" xlink:to="loc_vici_LoansReceivableAndSecuritiesMember_a11a6cb1-bd0c-45a5-84b3-1fdc50266275" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_081d6056-5df7-46f4-b282-a8136a58609d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_63fb3872-a0ef-49e4-b96f-32d68438f8ae" xlink:to="loc_us-gaap_AssetsAbstract_081d6056-5df7-46f4-b282-a8136a58609d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_5a172105-5b63-4750-a5fc-856d94f265dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateInvestmentPropertyNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_081d6056-5df7-46f4-b282-a8136a58609d" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_5a172105-5b63-4750-a5fc-856d94f265dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_b22e85d7-5d37-47c6-9238-1b4f8e0782ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_5a172105-5b63-4750-a5fc-856d94f265dd" xlink:to="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_b22e85d7-5d37-47c6-9238-1b4f8e0782ec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_1adff1e8-c296-4d34-90da-fe6672c38a7b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_5a172105-5b63-4750-a5fc-856d94f265dd" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_1adff1e8-c296-4d34-90da-fe6672c38a7b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_081702f6-7d8e-48ae-ba40-3394a98f1bf6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_5a172105-5b63-4750-a5fc-856d94f265dd" xlink:to="loc_us-gaap_EquityMethodInvestments_081702f6-7d8e-48ae-ba40-3394a98f1bf6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandAvailableForDevelopment_ea7d8ba7-7a1c-495b-a77e-89feb67b63c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LandAvailableForDevelopment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_5a172105-5b63-4750-a5fc-856d94f265dd" xlink:to="loc_us-gaap_LandAvailableForDevelopment_ea7d8ba7-7a1c-495b-a77e-89feb67b63c6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0c4e925c-fa76-4e64-9447-ed9be4ef6132" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_081d6056-5df7-46f4-b282-a8136a58609d" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_0c4e925c-fa76-4e64-9447-ed9be4ef6132" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_94083325-8c26-4205-8a1d-c1deed509069" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_081d6056-5df7-46f4-b282-a8136a58609d" xlink:to="loc_us-gaap_ShortTermInvestments_94083325-8c26-4205-8a1d-c1deed509069" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_0a6b71ea-c077-4f43-8272-c72312274de3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_081d6056-5df7-46f4-b282-a8136a58609d" xlink:to="loc_us-gaap_OtherAssets_0a6b71ea-c077-4f43-8272-c72312274de3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_fcde7d26-907c-4bb7-851c-e8f944208c1f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_081d6056-5df7-46f4-b282-a8136a58609d" xlink:to="loc_us-gaap_Assets_fcde7d26-907c-4bb7-851c-e8f944208c1f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_bec96423-2b99-462a-bfbd-17c0c23cbc3c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_63fb3872-a0ef-49e4-b96f-32d68438f8ae" xlink:to="loc_us-gaap_LiabilitiesAbstract_bec96423-2b99-462a-bfbd-17c0c23cbc3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_432c98c9-c321-42c6-afc6-539fc9ac65db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_bec96423-2b99-462a-bfbd-17c0c23cbc3c" xlink:to="loc_us-gaap_LongTermDebt_432c98c9-c321-42c6-afc6-539fc9ac65db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_1952ac54-6f8c-436e-ac76-6f26556685c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_bec96423-2b99-462a-bfbd-17c0c23cbc3c" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_1952ac54-6f8c-436e-ac76-6f26556685c5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_6c281142-95fe-4c60-bb87-9e707e9a9a28" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_bec96423-2b99-462a-bfbd-17c0c23cbc3c" xlink:to="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_6c281142-95fe-4c60-bb87-9e707e9a9a28" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_4e888d05-d203-4735-b9b6-1f32c0e54d4b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_bec96423-2b99-462a-bfbd-17c0c23cbc3c" xlink:to="loc_us-gaap_OtherLiabilities_4e888d05-d203-4735-b9b6-1f32c0e54d4b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_d4b399e5-66da-480c-ad62-e35b55af1b7f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_bec96423-2b99-462a-bfbd-17c0c23cbc3c" xlink:to="loc_us-gaap_Liabilities_d4b399e5-66da-480c-ad62-e35b55af1b7f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_40d20350-1145-4c08-879b-1eba43050f92" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_63fb3872-a0ef-49e4-b96f-32d68438f8ae" xlink:to="loc_us-gaap_CommitmentsAndContingencies_40d20350-1145-4c08-879b-1eba43050f92" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_63fb3872-a0ef-49e4-b96f-32d68438f8ae" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_4bc63fbf-d73c-4782-bd0f-10139d549ab0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:to="loc_us-gaap_CommonStockValue_4bc63fbf-d73c-4782-bd0f-10139d549ab0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue_a1190005-4532-481c-b2f7-f58c3b16d677" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:to="loc_us-gaap_PreferredStockValue_a1190005-4532-481c-b2f7-f58c3b16d677" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_a4d7a80f-298a-4826-bc7d-4c576e4570fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:to="loc_us-gaap_AdditionalPaidInCapital_a4d7a80f-298a-4826-bc7d-4c576e4570fc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_9c87f1f6-1004-4358-8dee-809581858179" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_9c87f1f6-1004-4358-8dee-809581858179" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b92cbc30-b0fd-4a94-bd5a-31e4e7b92024" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b92cbc30-b0fd-4a94-bd5a-31e4e7b92024" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_702ca0bd-f40d-4845-852a-6cd08d707098" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:to="loc_us-gaap_StockholdersEquity_702ca0bd-f40d-4845-852a-6cd08d707098" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_ebf1efbe-a4c5-4072-a0cb-dc6df8fd76bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:to="loc_us-gaap_MinorityInterest_ebf1efbe-a4c5-4072-a0cb-dc6df8fd76bd" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9f9cf480-72a7-41cd-8ab0-93dfed51ffc7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_86cfd78a-1cec-4904-92ce-a10d3a3eeff2" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9f9cf480-72a7-41cd-8ab0-93dfed51ffc7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_da9dfb41-114b-444b-88ba-92a591593296" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_63fb3872-a0ef-49e4-b96f-32d68438f8ae" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_da9dfb41-114b-444b-88ba-92a591593296" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/VICIPROPERTIESINCCONSOLIDATEDBALANCESHEETSUNAUDITEDParenthetical" xlink:type="simple" xlink:href="vici-20231231.xsd#VICIPROPERTIESINCCONSOLIDATEDBALANCESHEETSUNAUDITEDParenthetical"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/VICIPROPERTIESINCCONSOLIDATEDBALANCESHEETSUNAUDITEDParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_e5ad63ab-cdb2-4baa-bcff-d9183055b7f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_StatementTable_e5ad63ab-cdb2-4baa-bcff-d9183055b7f2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4f48339e-71c2-4d78-91ad-8cbea31d5824" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_e5ad63ab-cdb2-4baa-bcff-d9183055b7f2" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4f48339e-71c2-4d78-91ad-8cbea31d5824" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_4f48339e-71c2-4d78-91ad-8cbea31d5824_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4f48339e-71c2-4d78-91ad-8cbea31d5824" xlink:to="loc_us-gaap_ReceivableTypeDomain_4f48339e-71c2-4d78-91ad-8cbea31d5824_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_dbe7c831-0def-461a-bb5a-6c4da2e01fdc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4f48339e-71c2-4d78-91ad-8cbea31d5824" xlink:to="loc_us-gaap_ReceivableTypeDomain_dbe7c831-0def-461a-bb5a-6c4da2e01fdc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceReceivablesMember_71db473c-d135-4c6b-9a97-c9371c923f66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceReceivablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_dbe7c831-0def-461a-bb5a-6c4da2e01fdc" xlink:to="loc_us-gaap_FinanceReceivablesMember_71db473c-d135-4c6b-9a97-c9371c923f66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoansReceivableAndSecuritiesMember_3f6db782-1bdc-4a62-9626-c429d4f628f7" xlink:href="vici-20231231.xsd#vici_LoansReceivableAndSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_dbe7c831-0def-461a-bb5a-6c4da2e01fdc" xlink:to="loc_vici_LoansReceivableAndSecuritiesMember_3f6db782-1bdc-4a62-9626-c429d4f628f7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_d0806300-91cf-4be6-8505-460dd7d47b6d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_d0806300-91cf-4be6-8505-460dd7d47b6d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_725d9b97-117d-40a6-9ac9-2ba7e9730f91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_725d9b97-117d-40a6-9ac9-2ba7e9730f91" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_b899799f-6cca-49a7-bc94-ec83f5797070" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_CommonStockSharesIssued_b899799f-6cca-49a7-bc94-ec83f5797070" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_98ee4b12-256a-4edb-adb5-dd86412fdc3a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_98ee4b12-256a-4edb-adb5-dd86412fdc3a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_f113bf6c-3fdc-409c-bd5f-eb809904978a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_f113bf6c-3fdc-409c-bd5f-eb809904978a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_2824f342-dae6-4560-aa86-a5966b02f9a9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_2824f342-dae6-4560-aa86-a5966b02f9a9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding_13d0a3e1-3a87-4ca3-9efe-2623d9825aa5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_PreferredStockSharesOutstanding_13d0a3e1-3a87-4ca3-9efe-2623d9825aa5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest_c3df2a9b-9505-48b3-8c81-6f07235df579" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest_c3df2a9b-9505-48b3-8c81-6f07235df579" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_9aaedb56-df49-439b-a579-86251e26e266" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_9aaedb56-df49-439b-a579-86251e26e266" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses_7c0a0135-6859-4cde-adc5-fc45a98e7a35" xlink:href="vici-20231231.xsd#vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_851436f4-9f26-47e2-9e0f-98a116e132b2" xlink:to="loc_vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses_7c0a0135-6859-4cde-adc5-fc45a98e7a35" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/VICIPROPERTIESINCCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" xlink:type="simple" xlink:href="vici-20231231.xsd#VICIPROPERTIESINCCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/VICIPROPERTIESINCCONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSEQUITY" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_ed70f663-86aa-43a1-b1eb-b65bab41c889" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_85df4b76-9191-4906-8bb9-ad07effe8028" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_ed70f663-86aa-43a1-b1eb-b65bab41c889" xlink:to="loc_us-gaap_StatementTable_85df4b76-9191-4906-8bb9-ad07effe8028" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_010118ff-1e64-4adf-92f3-354116304ce0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_85df4b76-9191-4906-8bb9-ad07effe8028" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_010118ff-1e64-4adf-92f3-354116304ce0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_010118ff-1e64-4adf-92f3-354116304ce0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_010118ff-1e64-4adf-92f3-354116304ce0" xlink:to="loc_us-gaap_EquityComponentDomain_010118ff-1e64-4adf-92f3-354116304ce0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_ef2af31c-e5fc-4e5c-adfd-dcd5fa4f440a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_010118ff-1e64-4adf-92f3-354116304ce0" xlink:to="loc_us-gaap_EquityComponentDomain_ef2af31c-e5fc-4e5c-adfd-dcd5fa4f440a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_1a672593-4d01-41ab-8ba7-b6f04896f07d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ef2af31c-e5fc-4e5c-adfd-dcd5fa4f440a" xlink:to="loc_us-gaap_ParentMember_1a672593-4d01-41ab-8ba7-b6f04896f07d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_1e55e1b6-a6ff-4098-99b5-e837585dbc56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_1a672593-4d01-41ab-8ba7-b6f04896f07d" xlink:to="loc_us-gaap_CommonStockMember_1e55e1b6-a6ff-4098-99b5-e837585dbc56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_027de00d-69ad-45fd-b5ee-1d1f5efa7149" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_1a672593-4d01-41ab-8ba7-b6f04896f07d" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_027de00d-69ad-45fd-b5ee-1d1f5efa7149" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_261c75a4-d1b1-4a7d-9062-f7a3579cd300" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_1a672593-4d01-41ab-8ba7-b6f04896f07d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_261c75a4-d1b1-4a7d-9062-f7a3579cd300" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_6bd27d7e-854d-4d33-bfc2-b22f272f1307" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ParentMember_1a672593-4d01-41ab-8ba7-b6f04896f07d" xlink:to="loc_us-gaap_RetainedEarningsMember_6bd27d7e-854d-4d33-bfc2-b22f272f1307" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_5e2f4708-12eb-452a-9c35-979882bd11e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_ef2af31c-e5fc-4e5c-adfd-dcd5fa4f440a" xlink:to="loc_us-gaap_NoncontrollingInterestMember_5e2f4708-12eb-452a-9c35-979882bd11e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_ed70f663-86aa-43a1-b1eb-b65bab41c889" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5d106d3f-bf53-40ef-8e94-f122c5aea81c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5d106d3f-bf53-40ef-8e94-f122c5aea81c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_ae416199-f2d7-46dd-b18e-5953b42a9ef8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_us-gaap_ProfitLoss_ae416199-f2d7-46dd-b18e-5953b42a9ef8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_357a61f3-dbc1-47c0-91b0-5c69558d8d39" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_357a61f3-dbc1-47c0-91b0-5c69558d8d39" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_e6b7c099-8c72-4b25-97cd-cca74d1c9774" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_e6b7c099-8c72-4b25-97cd-cca74d1c9774" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_StockholdersEquityReallocationOfEquity_d755af86-ebdd-4d85-8279-99998d1c49e5" xlink:href="vici-20231231.xsd#vici_StockholdersEquityReallocationOfEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_vici_StockholdersEquityReallocationOfEquity_d755af86-ebdd-4d85-8279-99998d1c49e5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStockCash_37a70d44-0610-41ab-804a-5925df63cc76" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DividendsCommonStockCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_us-gaap_DividendsCommonStockCash_37a70d44-0610-41ab-804a-5925df63cc76" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_48dd93cc-3839-42d9-a5f9-6deb5203a9cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_48dd93cc-3839-42d9-a5f9-6deb5203a9cf" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_accc4f08-7d2f-4c19-9d98-f575295ec64e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_accc4f08-7d2f-4c19-9d98-f575295ec64e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_82d54917-e988-4f57-ae72-da2e1c71385b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_82d54917-e988-4f57-ae72-da2e1c71385b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_c69cd7c6-3f0e-4637-9f1b-ff18f47087d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_8315a6e3-f762-45fd-a977-2eb00902dc73" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_c69cd7c6-3f0e-4637-9f1b-ff18f47087d8" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_47a2e4e9-3412-4bcc-8aa5-3281c785b04b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/VICIPROPERTIESINCCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="vici-20231231.xsd#VICIPROPERTIESINCCONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/VICIPROPERTIESINCCONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_58c1cb4a-07fa-45ee-8a3f-d83025d561a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:to="loc_us-gaap_StatementTable_58c1cb4a-07fa-45ee-8a3f-d83025d561a5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_fa9327f2-41d2-413c-afea-71d14fb1c95f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_58c1cb4a-07fa-45ee-8a3f-d83025d561a5" xlink:to="loc_us-gaap_AssetAcquisitionAxis_fa9327f2-41d2-413c-afea-71d14fb1c95f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_fa9327f2-41d2-413c-afea-71d14fb1c95f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_fa9327f2-41d2-413c-afea-71d14fb1c95f" xlink:to="loc_us-gaap_AssetAcquisitionDomain_fa9327f2-41d2-413c-afea-71d14fb1c95f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_f9f0d29a-f4ec-420d-a31c-bbd259c275f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_fa9327f2-41d2-413c-afea-71d14fb1c95f" xlink:to="loc_us-gaap_AssetAcquisitionDomain_f9f0d29a-f4ec-420d-a31c-bbd259c275f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPMember_e763085e-aa5b-4f0d-8eee-c6ac7a4c4a67" xlink:href="vici-20231231.xsd#vici_MGPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_f9f0d29a-f4ec-420d-a31c-bbd259c275f1" xlink:to="loc_vici_MGPMember_e763085e-aa5b-4f0d-8eee-c6ac7a4c4a67" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_e8f123d4-2f3d-4614-8513-2fea9d9f3344" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_f9f0d29a-f4ec-420d-a31c-bbd259c275f1" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_e8f123d4-2f3d-4614-8513-2fea9d9f3344" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_c606fccc-2353-4ee6-a164-2a9d47aa13cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_58c1cb4a-07fa-45ee-8a3f-d83025d561a5" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_c606fccc-2353-4ee6-a164-2a9d47aa13cb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_c606fccc-2353-4ee6-a164-2a9d47aa13cb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_c606fccc-2353-4ee6-a164-2a9d47aa13cb" xlink:to="loc_us-gaap_ReceivableTypeDomain_c606fccc-2353-4ee6-a164-2a9d47aa13cb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_6af40097-eaf5-464e-8c13-48daceae4515" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_c606fccc-2353-4ee6-a164-2a9d47aa13cb" xlink:to="loc_us-gaap_ReceivableTypeDomain_6af40097-eaf5-464e-8c13-48daceae4515" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceReceivablesMember_0ee9f22b-9ae1-4e3a-a4c5-8d2c379e66e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceReceivablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_6af40097-eaf5-464e-8c13-48daceae4515" xlink:to="loc_us-gaap_FinanceReceivablesMember_0ee9f22b-9ae1-4e3a-a4c5-8d2c379e66e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoansAndSecuritiesReceivableMember_6d4df3e3-e08d-4baa-b8d2-b13f8d0f2633" xlink:href="vici-20231231.xsd#vici_LoansAndSecuritiesReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_6af40097-eaf5-464e-8c13-48daceae4515" xlink:to="loc_vici_LoansAndSecuritiesReceivableMember_6d4df3e3-e08d-4baa-b8d2-b13f8d0f2633" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1b03525e-2c4f-44c0-9d3f-3d5f5e59d6cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1b03525e-2c4f-44c0-9d3f-3d5f5e59d6cb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_b3e67029-bce6-49a7-ae00-26991b71c03a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1b03525e-2c4f-44c0-9d3f-3d5f5e59d6cb" xlink:to="loc_us-gaap_ProfitLoss_b3e67029-bce6-49a7-ae00-26991b71c03a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1b03525e-2c4f-44c0-9d3f-3d5f5e59d6cb" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NonCashLeasingAndFinancingAdjustments_1df06e7a-be73-4c35-bebc-af1557b54bc2" xlink:href="vici-20231231.xsd#vici_NonCashLeasingAndFinancingAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_vici_NonCashLeasingAndFinancingAdjustments_1df06e7a-be73-4c35-bebc-af1557b54bc2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_da49cb43-5aaa-4346-bc93-f05efb2b0f07" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_us-gaap_ShareBasedCompensation_da49cb43-5aaa-4346-bc93-f05efb2b0f07" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_TransactionCostsNoncashExpense_193e2e90-c0c8-4285-b8e3-9c3629b37564" xlink:href="vici-20231231.xsd#vici_TransactionCostsNoncashExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_vici_TransactionCostsNoncashExpense_193e2e90-c0c8-4285-b8e3-9c3629b37564" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_067e7ba0-042a-4715-81ee-fe0afc08f117" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_us-gaap_Depreciation_067e7ba0-042a-4715-81ee-fe0afc08f117" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingGainsLosses_6f7d0f0e-77e4-444f-8aec-79a01fe43b0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_us-gaap_OtherNonoperatingGainsLosses_6f7d0f0e-77e4-444f-8aec-79a01fe43b0b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_2556383d-3544-48b5-8053-16222aed44ce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_2556383d-3544-48b5-8053-16222aed44ce" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivableExcludingAccruedInterestNetInvestmentInLeaseAndLoansCreditLossExpenseReversal_cceb7c11-05e1-4703-ae8c-4e0978eaa186" xlink:href="vici-20231231.xsd#vici_FinancingReceivableExcludingAccruedInterestNetInvestmentInLeaseAndLoansCreditLossExpenseReversal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_vici_FinancingReceivableExcludingAccruedInterestNetInvestmentInLeaseAndLoansCreditLossExpenseReversal_cceb7c11-05e1-4703-ae8c-4e0978eaa186" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_6567e845-9c2e-41ee-81ff-9d1a5ef15a41" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_6567e845-9c2e-41ee-81ff-9d1a5ef15a41" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_ed4a19a9-b023-418d-ae8b-2c39f7122d8c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_ed4a19a9-b023-418d-ae8b-2c39f7122d8c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ProceedsFromDerivativeInstrumentOperatingActivities_b60530cc-3e2e-4aea-b128-dcdd7a2c9a8b" xlink:href="vici-20231231.xsd#vici_ProceedsFromDerivativeInstrumentOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_vici_ProceedsFromDerivativeInstrumentOperatingActivities_b60530cc-3e2e-4aea-b128-dcdd7a2c9a8b" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_a28e4e75-b776-4c0d-b77b-f40890747797" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_a28e4e75-b776-4c0d-b77b-f40890747797" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_aea8ba8d-4061-488a-8c2a-0ad2252b0681" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_aea8ba8d-4061-488a-8c2a-0ad2252b0681" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_de12d049-b276-418f-93da-a2328e3c4f74" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_9dbe4e48-6794-4b90-abf9-1005e67536a5" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_de12d049-b276-418f-93da-a2328e3c4f74" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_85d6f564-a81a-4930-93b6-2f0986e0b5bb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_de12d049-b276-418f-93da-a2328e3c4f74" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_85d6f564-a81a-4930-93b6-2f0986e0b5bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_bafe0e7e-eeeb-4a22-b273-9f5f8e4e962c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_de12d049-b276-418f-93da-a2328e3c4f74" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_bafe0e7e-eeeb-4a22-b273-9f5f8e4e962c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_b3a73ba8-aea2-4a5a-a41b-b43a2b2450ce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_de12d049-b276-418f-93da-a2328e3c4f74" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_b3a73ba8-aea2-4a5a-a41b-b43a2b2450ce" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_aae082dc-7980-4528-ac23-cbbc2dac4cf3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_1b03525e-2c4f-44c0-9d3f-3d5f5e59d6cb" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_aae082dc-7980-4528-ac23-cbbc2dac4cf3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_960fca3c-8583-4259-8067-df1369fec536" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_960fca3c-8583-4259-8067-df1369fec536" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate_73c25f56-10fd-4532-a94e-2cbf9e95e191" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_PaymentsToAcquireRealEstate_73c25f56-10fd-4532-a94e-2cbf9e95e191" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireFinanceReceivables_1ba95408-4035-4658-af87-d579e3f0f9ad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireFinanceReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_PaymentsToAcquireFinanceReceivables_1ba95408-4035-4658-af87-d579e3f0f9ad" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireLoansReceivable_08ee5ddb-60de-4e00-8fde-26dbb6e40219" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireLoansReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_PaymentsToAcquireLoansReceivable_08ee5ddb-60de-4e00-8fde-26dbb6e40219" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_858b7a0d-8ac1-49cd-907d-bdb56ab7c304" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromCollectionOfFinanceReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_858b7a0d-8ac1-49cd-907d-bdb56ab7c304" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PaymentsOfCapitalizedTransactionCosts_94baf6ed-d344-467a-93ad-db2cdbf25c9a" xlink:href="vici-20231231.xsd#vici_PaymentsOfCapitalizedTransactionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_vici_PaymentsOfCapitalizedTransactionCosts_94baf6ed-d344-467a-93ad-db2cdbf25c9a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireShortTermInvestments_e78838ca-e13d-44ca-b135-3f69d2048c64" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_PaymentsToAcquireShortTermInvestments_e78838ca-e13d-44ca-b135-3f69d2048c64" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_9d089fa9-39e9-41f3-b637-4ab3db33a796" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_9d089fa9-39e9-41f3-b637-4ab3db33a796" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_7dc0e4d1-8c02-4a15-83ce-803e90121eda" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_7dc0e4d1-8c02-4a15-83ce-803e90121eda" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_e7db306f-81ba-4c76-8c40-8dc5fd7b85d6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_e7db306f-81ba-4c76-8c40-8dc5fd7b85d6" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_ee129d2f-45bf-4e26-9e90-992dbacb78b2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_630b5852-5a29-4534-971b-20142f2a1ab7" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_ee129d2f-45bf-4e26-9e90-992dbacb78b2" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_1f5e0b1b-eeb8-4ab9-ae3d-a5343d90c5e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_1f5e0b1b-eeb8-4ab9-ae3d-a5343d90c5e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_0a21436e-8e71-4694-8770-42132d46b425" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_0a21436e-8e71-4694-8770-42132d46b425" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_b86eda67-9566-4238-8b8a-e96609097340" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_b86eda67-9566-4238-8b8a-e96609097340" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_3e42bde6-db6a-4447-b29c-390a37702995" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_3e42bde6-db6a-4447-b29c-390a37702995" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_d15bdfd0-db4b-4848-a133-99ed701efb9e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfSeniorDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_us-gaap_RepaymentsOfSeniorDebt_d15bdfd0-db4b-4848-a133-99ed701efb9e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_f8c85779-ba09-446a-b039-a5681b45a7ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_f8c85779-ba09-446a-b039-a5681b45a7ea" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_80b52863-f631-47dd-8737-17a74dfcc948" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_80b52863-f631-47dd-8737-17a74dfcc948" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DistributionstoNonControllingInterests_ce192693-05b7-418a-8358-b74d04af6d0d" xlink:href="vici-20231231.xsd#vici_DistributionstoNonControllingInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_vici_DistributionstoNonControllingInterests_ce192693-05b7-418a-8358-b74d04af6d0d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividends_e8ad45e0-e14a-48c8-84e3-989891877fed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDividends"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_us-gaap_PaymentsOfDividends_e8ad45e0-e14a-48c8-84e3-989891877fed" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5b28eb64-0587-4e62-84bd-5e5e88343567" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7e43f5f4-947e-4b1b-bcd9-6b1b5b8510cf" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_5b28eb64-0587-4e62-84bd-5e5e88343567" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_836c7478-ea24-43d7-b9bc-42efb806d208" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_836c7478-ea24-43d7-b9bc-42efb806d208" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_80ff2583-8080-4934-bce1-0fa46a8d88ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_80ff2583-8080-4934-bce1-0fa46a8d88ae" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_673c51e0-4b42-4f93-922a-b51c97693455" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_673c51e0-4b42-4f93-922a-b51c97693455" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_f55bac21-9b13-46fb-b754-bfe6f6b03af8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_d4b8aa2b-e13d-4ced-bc53-170c9c05302d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_d4b8aa2b-e13d-4ced-bc53-170c9c05302d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_c9929f3a-69b7-45c9-8a5f-ce5fbb36879b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_d4b8aa2b-e13d-4ced-bc53-170c9c05302d" xlink:to="loc_us-gaap_InterestPaidNet_c9929f3a-69b7-45c9-8a5f-ce5fbb36879b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaid_d81ebc64-a452-468c-9bef-9f1c76dfc47a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxesPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_d4b8aa2b-e13d-4ced-bc53-170c9c05302d" xlink:to="loc_us-gaap_IncomeTaxesPaid_d81ebc64-a452-468c-9bef-9f1c76dfc47a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8e0c809e-c9f1-410d-84be-5b2a9338dbfb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_e590bf3f-704f-4fc6-bf4f-314845d9dbdd" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8e0c809e-c9f1-410d-84be-5b2a9338dbfb" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NonCashDividendsDeclaredNotPaid_c852dca1-8136-4af5-8a8b-3b6ecc3f4a22" xlink:href="vici-20231231.xsd#vici_NonCashDividendsDeclaredNotPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8e0c809e-c9f1-410d-84be-5b2a9338dbfb" xlink:to="loc_vici_NonCashDividendsDeclaredNotPaid_c852dca1-8136-4af5-8a8b-3b6ecc3f4a22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ShareBasedPaymentArrangementAwardsIssuedSubjectToRepurchaseForTaxWitholding_6a7925af-188d-4559-964f-e9c1eed6db96" xlink:href="vici-20231231.xsd#vici_ShareBasedPaymentArrangementAwardsIssuedSubjectToRepurchaseForTaxWitholding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8e0c809e-c9f1-410d-84be-5b2a9338dbfb" xlink:to="loc_vici_ShareBasedPaymentArrangementAwardsIssuedSubjectToRepurchaseForTaxWitholding_6a7925af-188d-4559-964f-e9c1eed6db96" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DeferredTransactionCostsPayable_97c17c59-ab46-4dd8-a194-1ae67d7cf722" xlink:href="vici-20231231.xsd#vici_DeferredTransactionCostsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8e0c809e-c9f1-410d-84be-5b2a9338dbfb" xlink:to="loc_vici_DeferredTransactionCostsPayable_97c17c59-ab46-4dd8-a194-1ae67d7cf722" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DebtIssuanceCostsPayable_c13a5806-ee30-4d47-87de-56ae845f9c76" xlink:href="vici-20231231.xsd#vici_DebtIssuanceCostsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8e0c809e-c9f1-410d-84be-5b2a9338dbfb" xlink:to="loc_vici_DebtIssuanceCostsPayable_c13a5806-ee30-4d47-87de-56ae845f9c76" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NoncashChangeInInvestmentLeasesInvestingActivities_7aea8939-ea76-460d-84bd-ff9ffd6fa0ef" xlink:href="vici-20231231.xsd#vici_NoncashChangeInInvestmentLeasesInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8e0c809e-c9f1-410d-84be-5b2a9338dbfb" xlink:to="loc_vici_NoncashChangeInInvestmentLeasesInvestingActivities_7aea8939-ea76-460d-84bd-ff9ffd6fa0ef" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_47b47498-77e2-4999-ba31-5e8068cfcbfd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_8e0c809e-c9f1-410d-84be-5b2a9338dbfb" xlink:to="loc_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_47b47498-77e2-4999-ba31-5e8068cfcbfd" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="vici-20231231.xsd#VICIPROPERTIESLPCONSOLIDATEDBALANCESHEETS"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_d0efb8a9-ad31-4cdf-a320-4c6a8812342b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_4ac45346-922d-4b34-a25f-fdd60a4a7606" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_d0efb8a9-ad31-4cdf-a320-4c6a8812342b" xlink:to="loc_us-gaap_StatementTable_4ac45346-922d-4b34-a25f-fdd60a4a7606" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4de54e88-10c6-4ce6-b0da-8631aff4bca3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_4ac45346-922d-4b34-a25f-fdd60a4a7606" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4de54e88-10c6-4ce6-b0da-8631aff4bca3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_4de54e88-10c6-4ce6-b0da-8631aff4bca3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4de54e88-10c6-4ce6-b0da-8631aff4bca3" xlink:to="loc_us-gaap_ReceivableTypeDomain_4de54e88-10c6-4ce6-b0da-8631aff4bca3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_c956ab95-c55a-4e75-b803-a94954104fff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_4de54e88-10c6-4ce6-b0da-8631aff4bca3" xlink:to="loc_us-gaap_ReceivableTypeDomain_c956ab95-c55a-4e75-b803-a94954104fff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceReceivablesMember_4174e7e5-9ffa-44a8-8352-5d18863e207b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceReceivablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_c956ab95-c55a-4e75-b803-a94954104fff" xlink:to="loc_us-gaap_FinanceReceivablesMember_4174e7e5-9ffa-44a8-8352-5d18863e207b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoansReceivableAndSecuritiesMember_8a28ef7f-0426-4858-b0fc-07d6af3647a0" xlink:href="vici-20231231.xsd#vici_LoansReceivableAndSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_c956ab95-c55a-4e75-b803-a94954104fff" xlink:to="loc_vici_LoansReceivableAndSecuritiesMember_8a28ef7f-0426-4858-b0fc-07d6af3647a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_68a731b3-81b9-456e-a36d-98a547dcedc7" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_4ac45346-922d-4b34-a25f-fdd60a4a7606" xlink:to="loc_dei_LegalEntityAxis_68a731b3-81b9-456e-a36d-98a547dcedc7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_68a731b3-81b9-456e-a36d-98a547dcedc7_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_68a731b3-81b9-456e-a36d-98a547dcedc7" xlink:to="loc_dei_EntityDomain_68a731b3-81b9-456e-a36d-98a547dcedc7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_fdc7dcde-0aef-4a4b-a78a-73987e8b54fe" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_68a731b3-81b9-456e-a36d-98a547dcedc7" xlink:to="loc_dei_EntityDomain_fdc7dcde-0aef-4a4b-a78a-73987e8b54fe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIPropertiesLPMember_a0aa2a79-210d-47f9-b9ca-856fee536637" xlink:href="vici-20231231.xsd#vici_VICIPropertiesLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_fdc7dcde-0aef-4a4b-a78a-73987e8b54fe" xlink:to="loc_vici_VICIPropertiesLPMember_a0aa2a79-210d-47f9-b9ca-856fee536637" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_8fe324dc-7937-4d45-a201-c1cedbe07755" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_d0efb8a9-ad31-4cdf-a320-4c6a8812342b" xlink:to="loc_us-gaap_AssetsAbstract_8fe324dc-7937-4d45-a201-c1cedbe07755" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_b036bfff-a125-4e07-b279-096d4983f47a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateInvestmentPropertyNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_8fe324dc-7937-4d45-a201-c1cedbe07755" xlink:to="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_b036bfff-a125-4e07-b279-096d4983f47a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_84398ebb-a348-45f4-a781-1c676ce15315" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_b036bfff-a125-4e07-b279-096d4983f47a" xlink:to="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_84398ebb-a348-45f4-a781-1c676ce15315" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_c2d819cf-997d-440e-8b7e-f6b2b3da9a2f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_b036bfff-a125-4e07-b279-096d4983f47a" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_c2d819cf-997d-440e-8b7e-f6b2b3da9a2f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_45a22fb8-38d4-40d7-85ae-434b949ed959" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_b036bfff-a125-4e07-b279-096d4983f47a" xlink:to="loc_us-gaap_EquityMethodInvestments_45a22fb8-38d4-40d7-85ae-434b949ed959" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandAvailableForDevelopment_2254c31c-e5e7-43fd-833c-1a2a9f3a18e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LandAvailableForDevelopment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNetAbstract_b036bfff-a125-4e07-b279-096d4983f47a" xlink:to="loc_us-gaap_LandAvailableForDevelopment_2254c31c-e5e7-43fd-833c-1a2a9f3a18e3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18635965-49d5-4be2-9a5f-307f5666c0fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_8fe324dc-7937-4d45-a201-c1cedbe07755" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_18635965-49d5-4be2-9a5f-307f5666c0fc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_3ffc89ff-d6b5-462f-8c4a-d1ec2b20b841" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_8fe324dc-7937-4d45-a201-c1cedbe07755" xlink:to="loc_us-gaap_ShortTermInvestments_3ffc89ff-d6b5-462f-8c4a-d1ec2b20b841" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets_18a2dfdf-a521-450a-a6c1-66c69406a9ef" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_8fe324dc-7937-4d45-a201-c1cedbe07755" xlink:to="loc_us-gaap_OtherAssets_18a2dfdf-a521-450a-a6c1-66c69406a9ef" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_bdc62383-a995-4848-b7fa-51eee8aa68e4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_8fe324dc-7937-4d45-a201-c1cedbe07755" xlink:to="loc_us-gaap_Assets_bdc62383-a995-4848-b7fa-51eee8aa68e4" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract_3b30be2e-fd49-4578-acda-78813dcc50da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_d0efb8a9-ad31-4cdf-a320-4c6a8812342b" xlink:to="loc_us-gaap_LiabilitiesAbstract_3b30be2e-fd49-4578-acda-78813dcc50da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_99989655-e42a-4857-8742-65b80c3ceb01" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_3b30be2e-fd49-4578-acda-78813dcc50da" xlink:to="loc_us-gaap_LongTermDebt_99989655-e42a-4857-8742-65b80c3ceb01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_32182dab-948c-47a2-82bb-d2e4ec5195cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_3b30be2e-fd49-4578-acda-78813dcc50da" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_32182dab-948c-47a2-82bb-d2e4ec5195cc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_32fb028b-c536-457d-9b4c-a199d6f33b43" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DividendsPayableCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_3b30be2e-fd49-4578-acda-78813dcc50da" xlink:to="loc_us-gaap_DividendsPayableCurrentAndNoncurrent_32fb028b-c536-457d-9b4c-a199d6f33b43" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilities_51dd7a7c-d8fc-4f44-837a-c65d69cc322a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_3b30be2e-fd49-4578-acda-78813dcc50da" xlink:to="loc_us-gaap_OtherLiabilities_51dd7a7c-d8fc-4f44-837a-c65d69cc322a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_bd89ad5d-cfd3-466a-a816-852eb975a1cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAbstract_3b30be2e-fd49-4578-acda-78813dcc50da" xlink:to="loc_us-gaap_Liabilities_bd89ad5d-cfd3-466a-a816-852eb975a1cf" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_b13e64d2-1716-4222-a2f3-d3bc32961d90" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_d0efb8a9-ad31-4cdf-a320-4c6a8812342b" xlink:to="loc_us-gaap_CommitmentsAndContingencies_b13e64d2-1716-4222-a2f3-d3bc32961d90" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_71bc0c40-ad14-4586-9da1-e9eb3be06fbf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_d0efb8a9-ad31-4cdf-a320-4c6a8812342b" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_71bc0c40-ad14-4586-9da1-e9eb3be06fbf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccount_96a8e3b3-5954-4a41-bfca-2a641b25cd39" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LimitedPartnersCapitalAccount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_71bc0c40-ad14-4586-9da1-e9eb3be06fbf" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccount_96a8e3b3-5954-4a41-bfca-2a641b25cd39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_6da27f27-6ba6-4717-a9c7-ed6a42f1add2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_71bc0c40-ad14-4586-9da1-e9eb3be06fbf" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_6da27f27-6ba6-4717-a9c7-ed6a42f1add2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapital_4b483beb-b5f9-4aa4-8009-31dfe5244970" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnersCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_71bc0c40-ad14-4586-9da1-e9eb3be06fbf" xlink:to="loc_us-gaap_PartnersCapital_4b483beb-b5f9-4aa4-8009-31dfe5244970" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_073be904-faf4-46bf-9bed-0bbadc1c8f40" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnersCapitalAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_71bc0c40-ad14-4586-9da1-e9eb3be06fbf" xlink:to="loc_us-gaap_PartnersCapitalAttributableToNoncontrollingInterest_073be904-faf4-46bf-9bed-0bbadc1c8f40" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_cf37a965-09d0-4f5d-8371-85938ab99f14" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_71bc0c40-ad14-4586-9da1-e9eb3be06fbf" xlink:to="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_cf37a965-09d0-4f5d-8371-85938ab99f14" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_31e306c2-ca77-4bd3-9479-95235a6a2dc6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_d0efb8a9-ad31-4cdf-a320-4c6a8812342b" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_31e306c2-ca77-4bd3-9479-95235a6a2dc6" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="vici-20231231.xsd#VICIPROPERTIESLPCONSOLIDATEDBALANCESHEETSParenthetical"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_a49c135c-07bd-4136-a319-bb707745bc20" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_430ddb83-0ff6-490a-9672-b24153acca59" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_a49c135c-07bd-4136-a319-bb707745bc20" xlink:to="loc_us-gaap_StatementTable_430ddb83-0ff6-490a-9672-b24153acca59" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_7a56e071-b415-4a58-9037-ea771a3fba3d" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_430ddb83-0ff6-490a-9672-b24153acca59" xlink:to="loc_dei_LegalEntityAxis_7a56e071-b415-4a58-9037-ea771a3fba3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7a56e071-b415-4a58-9037-ea771a3fba3d_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_7a56e071-b415-4a58-9037-ea771a3fba3d" xlink:to="loc_dei_EntityDomain_7a56e071-b415-4a58-9037-ea771a3fba3d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_3c29c6cb-dba9-428a-8657-944aea25ae5c" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_7a56e071-b415-4a58-9037-ea771a3fba3d" xlink:to="loc_dei_EntityDomain_3c29c6cb-dba9-428a-8657-944aea25ae5c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIPropertiesLPMember_3570c26c-dc2f-44b9-bf0a-6a17c3d924eb" xlink:href="vici-20231231.xsd#vici_VICIPropertiesLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_3c29c6cb-dba9-428a-8657-944aea25ae5c" xlink:to="loc_vici_VICIPropertiesLPMember_3570c26c-dc2f-44b9-bf0a-6a17c3d924eb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_558a8a14-122f-4a98-b1da-c682c8fec0a8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_430ddb83-0ff6-490a-9672-b24153acca59" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_558a8a14-122f-4a98-b1da-c682c8fec0a8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_558a8a14-122f-4a98-b1da-c682c8fec0a8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_558a8a14-122f-4a98-b1da-c682c8fec0a8" xlink:to="loc_us-gaap_ReceivableTypeDomain_558a8a14-122f-4a98-b1da-c682c8fec0a8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_c78046e1-e3bc-4f75-952c-be3049c88b2d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_558a8a14-122f-4a98-b1da-c682c8fec0a8" xlink:to="loc_us-gaap_ReceivableTypeDomain_c78046e1-e3bc-4f75-952c-be3049c88b2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceReceivablesMember_26f27fcc-e3ba-4284-8870-4b1dbf6c981b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceReceivablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_c78046e1-e3bc-4f75-952c-be3049c88b2d" xlink:to="loc_us-gaap_FinanceReceivablesMember_26f27fcc-e3ba-4284-8870-4b1dbf6c981b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoansReceivableAndSecuritiesMember_36cb343f-179e-4f65-a9b8-60ea692103bb" xlink:href="vici-20231231.xsd#vici_LoansReceivableAndSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_c78046e1-e3bc-4f75-952c-be3049c88b2d" xlink:to="loc_vici_LoansReceivableAndSecuritiesMember_36cb343f-179e-4f65-a9b8-60ea692103bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountUnitsIssued_9fabc59b-8f6b-40fe-9c06-4934d68f500c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LimitedPartnersCapitalAccountUnitsIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a49c135c-07bd-4136-a319-bb707745bc20" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountUnitsIssued_9fabc59b-8f6b-40fe-9c06-4934d68f500c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_1bef6c72-8d73-4fbf-be75-250d6aaf60a1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a49c135c-07bd-4136-a319-bb707745bc20" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccountUnitsOutstanding_1bef6c72-8d73-4fbf-be75-250d6aaf60a1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest_2101c819-bece-4e7d-9e0f-5e789249b1a8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a49c135c-07bd-4136-a319-bb707745bc20" xlink:to="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest_2101c819-bece-4e7d-9e0f-5e789249b1a8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_6c3474dc-2c19-4954-a77c-947ec16f6504" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a49c135c-07bd-4136-a319-bb707745bc20" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_6c3474dc-2c19-4954-a77c-947ec16f6504" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses_0d5145ad-cfb2-44ac-aa2c-aa69682ae982" xlink:href="vici-20231231.xsd#vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a49c135c-07bd-4136-a319-bb707745bc20" xlink:to="loc_vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses_0d5145ad-cfb2-44ac-aa2c-aa69682ae982" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOME" xlink:type="simple" xlink:href="vici-20231231.xsd#VICIPROPERTIESLPCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOME"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDSTATEMENTSOFOPERATIONSANDCOMPREHENSIVEINCOME" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_7db2ad60-4ab5-4481-95cd-8c74b4589e4a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_StatementTable_7db2ad60-4ab5-4481-95cd-8c74b4589e4a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_12c4e612-6d86-48b4-a671-8a8cdc68b165" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_7db2ad60-4ab5-4481-95cd-8c74b4589e4a" xlink:to="loc_dei_LegalEntityAxis_12c4e612-6d86-48b4-a671-8a8cdc68b165" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_12c4e612-6d86-48b4-a671-8a8cdc68b165_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_12c4e612-6d86-48b4-a671-8a8cdc68b165" xlink:to="loc_dei_EntityDomain_12c4e612-6d86-48b4-a671-8a8cdc68b165_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2cb8e73e-75b2-489b-bdea-3c6f0e5a497d" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_12c4e612-6d86-48b4-a671-8a8cdc68b165" xlink:to="loc_dei_EntityDomain_2cb8e73e-75b2-489b-bdea-3c6f0e5a497d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIPropertiesLPMember_8d7b33f6-5edc-47b7-9a05-cd987357b4dd" xlink:href="vici-20231231.xsd#vici_VICIPropertiesLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_2cb8e73e-75b2-489b-bdea-3c6f0e5a497d" xlink:to="loc_vici_VICIPropertiesLPMember_8d7b33f6-5edc-47b7-9a05-cd987357b4dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_edde40ae-844b-4d96-8589-734bbf5a5bc4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevenuesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_RevenuesAbstract_edde40ae-844b-4d96-8589-734bbf5a5bc4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeLeaseInterestIncome_0f513726-4d6b-4eb7-bf83-fc7d20e34c1d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesTypeLeaseInterestIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_edde40ae-844b-4d96-8589-734bbf5a5bc4" xlink:to="loc_us-gaap_SalesTypeLeaseInterestIncome_0f513726-4d6b-4eb7-bf83-fc7d20e34c1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestAndDividendIncomeOperating_6d40cf44-9012-4293-b58f-00962c65ce5e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestAndDividendIncomeOperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_edde40ae-844b-4d96-8589-734bbf5a5bc4" xlink:to="loc_us-gaap_InterestAndDividendIncomeOperating_6d40cf44-9012-4293-b58f-00962c65ce5e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncome_314b93c7-99fb-410b-8a2d-15f9b94b843a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_edde40ae-844b-4d96-8589-734bbf5a5bc4" xlink:to="loc_us-gaap_OtherIncome_314b93c7-99fb-410b-8a2d-15f9b94b843a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_4b25a532-bd4f-49c0-88f1-6c7031d7bfd8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Revenues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RevenuesAbstract_edde40ae-844b-4d96-8589-734bbf5a5bc4" xlink:to="loc_us-gaap_Revenues_4b25a532-bd4f-49c0-88f1-6c7031d7bfd8" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract_29a183f9-eded-4408-b62e-d311e359a1f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_OperatingExpensesAbstract_29a183f9-eded-4408-b62e-d311e359a1f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpense_c0c6b899-1643-4293-8dc2-c9247cf2eb41" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_29a183f9-eded-4408-b62e-d311e359a1f1" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpense_c0c6b899-1643-4293-8dc2-c9247cf2eb41" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_f928b91f-e7d0-4e57-8e83-2b87646f94e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_29a183f9-eded-4408-b62e-d311e359a1f1" xlink:to="loc_us-gaap_Depreciation_f928b91f-e7d0-4e57-8e83-2b87646f94e3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherExpenses_d590a776-8a34-42e2-9403-7aa54f238397" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_29a183f9-eded-4408-b62e-d311e359a1f1" xlink:to="loc_us-gaap_OtherExpenses_d590a776-8a34-42e2-9403-7aa54f238397" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivableExcludingAccruedInterestNetInvestmentInLeaseAndLoansCreditLossExpenseReversal_cf34b7bd-9738-42c9-9f6f-7cd79e3002c0" xlink:href="vici-20231231.xsd#vici_FinancingReceivableExcludingAccruedInterestNetInvestmentInLeaseAndLoansCreditLossExpenseReversal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_29a183f9-eded-4408-b62e-d311e359a1f1" xlink:to="loc_vici_FinancingReceivableExcludingAccruedInterestNetInvestmentInLeaseAndLoansCreditLossExpenseReversal_cf34b7bd-9738-42c9-9f6f-7cd79e3002c0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_TransactionAndAcquisitionExpense_328a4cfa-6044-4958-9e64-fd5bbae4f93a" xlink:href="vici-20231231.xsd#vici_TransactionAndAcquisitionExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_29a183f9-eded-4408-b62e-d311e359a1f1" xlink:to="loc_vici_TransactionAndAcquisitionExpense_328a4cfa-6044-4958-9e64-fd5bbae4f93a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_0845feb8-ae4f-4ea9-b733-aff891039ec0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingCostsAndExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingExpensesAbstract_29a183f9-eded-4408-b62e-d311e359a1f1" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_0845feb8-ae4f-4ea9-b733-aff891039ec0" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_83105374-1d33-4eaa-9df3-a57892c30408" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_83105374-1d33-4eaa-9df3-a57892c30408" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_c13deeb0-41fc-438d-8c90-2b376008bb51" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_InterestExpense_c13deeb0-41fc-438d-8c90-2b376008bb51" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest_5e87f4b4-d511-480c-83e8-123025075b15" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_InvestmentIncomeInterest_5e87f4b4-d511-480c-83e8-123025075b15" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_27c04907-1a69-446c-8a6a-ec18d37520bb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_27c04907-1a69-446c-8a6a-ec18d37520bb" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingGainsLosses_2e22f4c9-2870-49a2-a13e-60c568ffa319" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_OtherNonoperatingGainsLosses_2e22f4c9-2870-49a2-a13e-60c568ffa319" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3bd12983-6feb-47b9-a53d-89615819b6d6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_3bd12983-6feb-47b9-a53d-89615819b6d6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_2a81dbbd-c6e3-4238-990e-18d3b202cb4e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_2a81dbbd-c6e3-4238-990e-18d3b202cb4e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_8c999e87-ff75-466a-9221-e15f7dbb36de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_ProfitLoss_8c999e87-ff75-466a-9221-e15f7dbb36de" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_fe68ffb5-1446-475a-bc34-1a5aa42940ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_fe68ffb5-1446-475a-bc34-1a5aa42940ea" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NetIncomeLossAttributableToPartners_e8b154de-d2e8-413d-b459-ed06c784fae4" xlink:href="vici-20231231.xsd#vici_NetIncomeLossAttributableToPartners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_vici_NetIncomeLossAttributableToPartners_e8b154de-d2e8-413d-b459-ed06c784fae4" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareReconciliationAbstract_c4ec4fbc-2b6b-4d28-8c8c-a794574ba930" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareReconciliationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_EarningsPerShareReconciliationAbstract_c4ec4fbc-2b6b-4d28-8c8c-a794574ba930" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_8a994f96-2810-46bb-971e-0e8f9903329a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareReconciliationAbstract_c4ec4fbc-2b6b-4d28-8c8c-a794574ba930" xlink:to="loc_us-gaap_EarningsPerShareBasic_8a994f96-2810-46bb-971e-0e8f9903329a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_5f345b40-965f-490b-9eff-8e0a9b2e452a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareReconciliationAbstract_c4ec4fbc-2b6b-4d28-8c8c-a794574ba930" xlink:to="loc_us-gaap_EarningsPerShareDiluted_5f345b40-965f-490b-9eff-8e0a9b2e452a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_bc44b7a6-be09-4d0c-971d-555e22fa71a9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_bc44b7a6-be09-4d0c-971d-555e22fa71a9" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_dede3539-421b-456c-ad25-d6193a9748e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_bc44b7a6-be09-4d0c-971d-555e22fa71a9" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_dede3539-421b-456c-ad25-d6193a9748e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ebd281cf-864e-4538-85ce-e9d3c84a4e0c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_bc44b7a6-be09-4d0c-971d-555e22fa71a9" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_ebd281cf-864e-4538-85ce-e9d3c84a4e0c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTaxAbstract_9a6af31c-2ca1-4267-a4fc-f7086e2a2644" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossTaxAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_9c75b591-f2f7-44d3-bff6-6b4e1843e30e" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTaxAbstract_9a6af31c-2ca1-4267-a4fc-f7086e2a2644" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NetIncomeLossAttributableToPartners_916fbf3e-fd08-4869-bec5-10a5053d0eb0" xlink:href="vici-20231231.xsd#vici_NetIncomeLossAttributableToPartners"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_539e6bb7-13c3-48dc-8bb0-722b7a596d2a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTaxAbstract_9a6af31c-2ca1-4267-a4fc-f7086e2a2644" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTaxParent_539e6bb7-13c3-48dc-8bb0-722b7a596d2a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent_50cc340f-a0f8-405b-9f5b-60b995d4f6d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTaxAbstract_9a6af31c-2ca1-4267-a4fc-f7086e2a2644" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAfterAdjustmentsAndTaxParent_50cc340f-a0f8-405b-9f5b-60b995d4f6d4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_ab7f1511-ff54-42ba-8e8e-e144b7224507" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTaxAbstract_9a6af31c-2ca1-4267-a4fc-f7086e2a2644" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent_ab7f1511-ff54-42ba-8e8e-e144b7224507" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_af594c5d-0647-4c5c-975d-bb193b7d5ac6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossTaxAbstract_9a6af31c-2ca1-4267-a4fc-f7086e2a2644" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_af594c5d-0647-4c5c-975d-bb193b7d5ac6" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDSTATEMENTSOFPARTNERSCAPITAL" xlink:type="simple" xlink:href="vici-20231231.xsd#VICIPROPERTIESLPCONSOLIDATEDSTATEMENTSOFPARTNERSCAPITAL"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDSTATEMENTSOFPARTNERSCAPITAL" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_c998dcfd-1bc6-4a62-8d6a-5b06f779aad5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_b7ad085a-4940-4af8-9091-c0f370f8fa51" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_c998dcfd-1bc6-4a62-8d6a-5b06f779aad5" xlink:to="loc_us-gaap_StatementTable_b7ad085a-4940-4af8-9091-c0f370f8fa51" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_e4b32483-0ee0-4407-af28-2fa77eaba9f6" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_b7ad085a-4940-4af8-9091-c0f370f8fa51" xlink:to="loc_dei_LegalEntityAxis_e4b32483-0ee0-4407-af28-2fa77eaba9f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e4b32483-0ee0-4407-af28-2fa77eaba9f6_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_e4b32483-0ee0-4407-af28-2fa77eaba9f6" xlink:to="loc_dei_EntityDomain_e4b32483-0ee0-4407-af28-2fa77eaba9f6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e29b9fc3-362e-42a4-8383-95c52a71aeb4" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_e4b32483-0ee0-4407-af28-2fa77eaba9f6" xlink:to="loc_dei_EntityDomain_e29b9fc3-362e-42a4-8383-95c52a71aeb4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIPropertiesLPMember_7089ae7f-2398-41cd-9850-0eee5a0cb40b" xlink:href="vici-20231231.xsd#vici_VICIPropertiesLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_e29b9fc3-362e-42a4-8383-95c52a71aeb4" xlink:to="loc_vici_VICIPropertiesLPMember_7089ae7f-2398-41cd-9850-0eee5a0cb40b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_d4776639-a62b-4876-b87c-e00735c096ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_b7ad085a-4940-4af8-9091-c0f370f8fa51" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_d4776639-a62b-4876-b87c-e00735c096ae" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_d4776639-a62b-4876-b87c-e00735c096ae_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_d4776639-a62b-4876-b87c-e00735c096ae" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_d4776639-a62b-4876-b87c-e00735c096ae_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_6ea6c9e0-818c-4f03-beba-5f2028f009be" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountAxis_d4776639-a62b-4876-b87c-e00735c096ae" xlink:to="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_6ea6c9e0-818c-4f03-beba-5f2028f009be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedPartnerMember_a2a83890-31a5-4d7e-af40-e042129fe54e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LimitedPartnerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_6ea6c9e0-818c-4f03-beba-5f2028f009be" xlink:to="loc_us-gaap_LimitedPartnerMember_a2a83890-31a5-4d7e-af40-e042129fe54e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6653f7fa-6c3a-4c83-969d-19376e6e9960" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_6ea6c9e0-818c-4f03-beba-5f2028f009be" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6653f7fa-6c3a-4c83-969d-19376e6e9960" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_58de8ec7-eea5-4322-9cac-fe3053b85458" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PartnerTypeOfPartnersCapitalAccountNameDomain_6ea6c9e0-818c-4f03-beba-5f2028f009be" xlink:to="loc_us-gaap_NoncontrollingInterestMember_58de8ec7-eea5-4322-9cac-fe3053b85458" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInPartnersCapitalRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_c998dcfd-1bc6-4a62-8d6a-5b06f779aad5" xlink:to="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_12cc6518-04d5-4560-a17e-a027e4e17486" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_12cc6518-04d5-4560-a17e-a027e4e17486" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAllocatedToLimitedPartners_7629608b-63bf-4384-90b1-c47a003e192c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAllocatedToLimitedPartners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_NetIncomeLossAllocatedToLimitedPartners_7629608b-63bf-4384-90b1-c47a003e192c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapitalAccountContributions_ede3bea5-f641-4e09-820b-acbb6f94cc43" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnersCapitalAccountContributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_PartnersCapitalAccountContributions_ede3bea5-f641-4e09-820b-acbb6f94cc43" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapitalAccountDistributions_fcc763d3-17d3-4917-a3d1-949545402f01" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnersCapitalAccountDistributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_PartnersCapitalAccountDistributions_fcc763d3-17d3-4917-a3d1-949545402f01" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_fbc1c08d-4c18-4488-a707-1e4e0857f804" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance_fbc1c08d-4c18-4488-a707-1e4e0857f804" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_ed06ee0b-4388-41b3-900e-d5bd27f1ea0f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_ed06ee0b-4388-41b3-900e-d5bd27f1ea0f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_a59e1dca-a25a-470d-9e4a-ebca29ecf1db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition_a59e1dca-a25a-470d-9e4a-ebca29ecf1db" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_9337300b-f121-4dce-8e8d-434be089ac73" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_9337300b-f121-4dce-8e8d-434be089ac73" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_286166d5-6e0f-4909-be51-dd11dab43449" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_286166d5-6e0f-4909-be51-dd11dab43449" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_fbc5e444-0130-435a-b7ff-7dfcffccda4b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_142f167d-d03b-4332-8874-f79ba66260ae" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_fbc5e444-0130-435a-b7ff-7dfcffccda4b" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest_70e80899-9d9f-4a5b-abe8-ffa684c63e7d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PartnersCapitalIncludingPortionAttributableToNoncontrollingInterest"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED" xlink:type="simple" xlink:href="vici-20231231.xsd#VICIPROPERTIESLPCONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/VICIPROPERTIESLPCONSOLIDATEDSTATEMENTSOFCASHFLOWSUNAUDITED" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_b315e9ce-f6e0-44b0-953e-57ccd704df3c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:to="loc_us-gaap_StatementTable_b315e9ce-f6e0-44b0-953e-57ccd704df3c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_48b06cc3-e342-4bfb-904b-4c387ab53f5e" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_b315e9ce-f6e0-44b0-953e-57ccd704df3c" xlink:to="loc_dei_LegalEntityAxis_48b06cc3-e342-4bfb-904b-4c387ab53f5e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_48b06cc3-e342-4bfb-904b-4c387ab53f5e_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_48b06cc3-e342-4bfb-904b-4c387ab53f5e" xlink:to="loc_dei_EntityDomain_48b06cc3-e342-4bfb-904b-4c387ab53f5e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e16e8f3e-294e-4e9b-9274-f6732d253ccd" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_48b06cc3-e342-4bfb-904b-4c387ab53f5e" xlink:to="loc_dei_EntityDomain_e16e8f3e-294e-4e9b-9274-f6732d253ccd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIPropertiesLPMember_2100ae2f-6f2d-4056-a054-8bf692e82639" xlink:href="vici-20231231.xsd#vici_VICIPropertiesLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_e16e8f3e-294e-4e9b-9274-f6732d253ccd" xlink:to="loc_vici_VICIPropertiesLPMember_2100ae2f-6f2d-4056-a054-8bf692e82639" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_a04ba479-a493-4254-9b28-a4a17cba5df9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_b315e9ce-f6e0-44b0-953e-57ccd704df3c" xlink:to="loc_us-gaap_AssetAcquisitionAxis_a04ba479-a493-4254-9b28-a4a17cba5df9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_a04ba479-a493-4254-9b28-a4a17cba5df9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_a04ba479-a493-4254-9b28-a4a17cba5df9" xlink:to="loc_us-gaap_AssetAcquisitionDomain_a04ba479-a493-4254-9b28-a4a17cba5df9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_547844f3-a59a-4822-be0c-569b0676516b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_a04ba479-a493-4254-9b28-a4a17cba5df9" xlink:to="loc_us-gaap_AssetAcquisitionDomain_547844f3-a59a-4822-be0c-569b0676516b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPMember_1bc7afbf-844b-4b0c-ad4e-0d1f389e2b1e" xlink:href="vici-20231231.xsd#vici_MGPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_547844f3-a59a-4822-be0c-569b0676516b" xlink:to="loc_vici_MGPMember_1bc7afbf-844b-4b0c-ad4e-0d1f389e2b1e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_44e18d60-ab72-4a19-95a6-777f47417487" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_547844f3-a59a-4822-be0c-569b0676516b" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_44e18d60-ab72-4a19-95a6-777f47417487" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_febb6052-cbc3-4df5-87a3-afc450f5899a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_b315e9ce-f6e0-44b0-953e-57ccd704df3c" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_febb6052-cbc3-4df5-87a3-afc450f5899a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_febb6052-cbc3-4df5-87a3-afc450f5899a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_febb6052-cbc3-4df5-87a3-afc450f5899a" xlink:to="loc_us-gaap_ReceivableTypeDomain_febb6052-cbc3-4df5-87a3-afc450f5899a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_30d16fac-e695-411d-a648-67e1cd10004a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_febb6052-cbc3-4df5-87a3-afc450f5899a" xlink:to="loc_us-gaap_ReceivableTypeDomain_30d16fac-e695-411d-a648-67e1cd10004a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceReceivablesMember_8740d1b1-06a2-4094-acd0-3725c8df5ec0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceReceivablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_30d16fac-e695-411d-a648-67e1cd10004a" xlink:to="loc_us-gaap_FinanceReceivablesMember_8740d1b1-06a2-4094-acd0-3725c8df5ec0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoansAndSecuritiesReceivableMember_8a25f68b-03af-489d-a133-390fb5d8456d" xlink:href="vici-20231231.xsd#vici_LoansAndSecuritiesReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_30d16fac-e695-411d-a648-67e1cd10004a" xlink:to="loc_vici_LoansAndSecuritiesReceivableMember_8a25f68b-03af-489d-a133-390fb5d8456d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_695a0afa-c48b-451f-b6f1-e277feb14822" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_695a0afa-c48b-451f-b6f1-e277feb14822" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_6d50cb20-b3b9-4baf-b6b7-1a25b971b45a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_695a0afa-c48b-451f-b6f1-e277feb14822" xlink:to="loc_us-gaap_ProfitLoss_6d50cb20-b3b9-4baf-b6b7-1a25b971b45a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_695a0afa-c48b-451f-b6f1-e277feb14822" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NonCashLeasingAndFinancingAdjustments_d1474893-0d1e-4694-9cef-99f961b7da45" xlink:href="vici-20231231.xsd#vici_NonCashLeasingAndFinancingAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_vici_NonCashLeasingAndFinancingAdjustments_d1474893-0d1e-4694-9cef-99f961b7da45" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_0c38a0f0-520a-4f3b-8132-9ba400b0a957" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_us-gaap_ShareBasedCompensation_0c38a0f0-520a-4f3b-8132-9ba400b0a957" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_d0eee568-334b-4e2e-a0a3-03fab830ca4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_us-gaap_Depreciation_d0eee568-334b-4e2e-a0a3-03fab830ca4d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingGainsLosses_adb5567b-37db-4058-a320-2fd9d2b2c0bb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherNonoperatingGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_us-gaap_OtherNonoperatingGainsLosses_adb5567b-37db-4058-a320-2fd9d2b2c0bb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1c932bf4-b4da-4bc5-bcad-d25630eb2268" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_1c932bf4-b4da-4bc5-bcad-d25630eb2268" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivableExcludingAccruedInterestNetInvestmentInLeaseAndLoansCreditLossExpenseReversal_977841b4-5448-4af3-b045-79c754fbbbb7" xlink:href="vici-20231231.xsd#vici_FinancingReceivableExcludingAccruedInterestNetInvestmentInLeaseAndLoansCreditLossExpenseReversal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_vici_FinancingReceivableExcludingAccruedInterestNetInvestmentInLeaseAndLoansCreditLossExpenseReversal_977841b4-5448-4af3-b045-79c754fbbbb7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments_7e26fb5b-e103-4971-9565-a2e2b913823d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_us-gaap_IncomeLossFromEquityMethodInvestments_7e26fb5b-e103-4971-9565-a2e2b913823d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_4896e5bd-0429-4b12-a630-066c14e04c16" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions_4896e5bd-0429-4b12-a630-066c14e04c16" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ProceedsFromDerivativeInstrumentOperatingActivities_4448d216-3342-48be-85f9-ac6ba9fe1304" xlink:href="vici-20231231.xsd#vici_ProceedsFromDerivativeInstrumentOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_vici_ProceedsFromDerivativeInstrumentOperatingActivities_4448d216-3342-48be-85f9-ac6ba9fe1304" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_3f35cc6c-aa2c-47aa-9c59-b7ca069bb90d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_3f35cc6c-aa2c-47aa-9c59-b7ca069bb90d" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_ab20284f-fe87-46e4-9638-3c0ccc4bcbac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredIncomeTaxesAndTaxCredits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_us-gaap_DeferredIncomeTaxesAndTaxCredits_ab20284f-fe87-46e4-9638-3c0ccc4bcbac" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_33ff3dd4-d63c-4c77-9c62-aa752b170881" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_dabe5449-d3fd-44b1-9bae-86eb619b1e9f" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_33ff3dd4-d63c-4c77-9c62-aa752b170881" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_097f794f-c885-4664-bcf0-e9e1a6283639" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherCurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_33ff3dd4-d63c-4c77-9c62-aa752b170881" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherCurrentAssets_097f794f-c885-4664-bcf0-e9e1a6283639" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_d61b4098-581a-4255-9b67-c3217ccf78e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInAccruedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_33ff3dd4-d63c-4c77-9c62-aa752b170881" xlink:to="loc_us-gaap_IncreaseDecreaseInAccruedLiabilities_d61b4098-581a-4255-9b67-c3217ccf78e0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_38a3d18d-d746-40f2-8f11-71012aa1a3b2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInOtherOperatingLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_33ff3dd4-d63c-4c77-9c62-aa752b170881" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_38a3d18d-d746-40f2-8f11-71012aa1a3b2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b56f3aef-ce6b-49f1-89ca-159ccc4c38ff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_695a0afa-c48b-451f-b6f1-e277feb14822" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b56f3aef-ce6b-49f1-89ca-159ccc4c38ff" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_54daf6b1-3125-4752-9ba8-8ba3cc8d418b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_54daf6b1-3125-4752-9ba8-8ba3cc8d418b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate_aa858473-88fc-47c9-9dce-cd5ac3bbfcca" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireRealEstate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_PaymentsToAcquireRealEstate_aa858473-88fc-47c9-9dce-cd5ac3bbfcca" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireFinanceReceivables_1ec90028-c7b4-45f9-91b1-8f6e3286e84a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireFinanceReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_PaymentsToAcquireFinanceReceivables_1ec90028-c7b4-45f9-91b1-8f6e3286e84a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireLoansReceivable_00e1016a-c90f-45ae-92b5-08884171a4d6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireLoansReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_PaymentsToAcquireLoansReceivable_00e1016a-c90f-45ae-92b5-08884171a4d6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_41dd2ab4-2533-4629-a689-c143f7a2cca1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromCollectionOfFinanceReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_ProceedsFromCollectionOfFinanceReceivables_41dd2ab4-2533-4629-a689-c143f7a2cca1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PaymentsOfCapitalizedTransactionCosts_d0c42a63-64f6-4c07-8c94-f40dcdd639b3" xlink:href="vici-20231231.xsd#vici_PaymentsOfCapitalizedTransactionCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_vici_PaymentsOfCapitalizedTransactionCosts_d0c42a63-64f6-4c07-8c94-f40dcdd639b3" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireShortTermInvestments_3b2a7d93-eb74-44a7-927c-e5387358a8e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_PaymentsToAcquireShortTermInvestments_3b2a7d93-eb74-44a7-927c-e5387358a8e6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_eec9704b-b122-4b4a-b984-3be09ffa20df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments_eec9704b-b122-4b4a-b984-3be09ffa20df" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_05ab8453-96e5-4a1c-9f1f-0e4647372070" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_05ab8453-96e5-4a1c-9f1f-0e4647372070" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_215d64a5-6721-4e0c-8c44-0b18ab3f7e1d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_PaymentsToAcquireOtherPropertyPlantAndEquipment_215d64a5-6721-4e0c-8c44-0b18ab3f7e1d" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a26e4be6-7a80-4432-924f-9177ca122824" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_0da75fd8-15e4-40e8-844c-a6c44d2b2e28" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_a26e4be6-7a80-4432-924f-9177ca122824" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromContributionsFromParent_3c00d368-11e4-4691-85b1-e12d9d8f078c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromContributionsFromParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_us-gaap_ProceedsFromContributionsFromParent_3c00d368-11e4-4691-85b1-e12d9d8f078c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfCapitalDistribution_a2f96259-6665-4af1-a71d-19ccf4448bea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfCapitalDistribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_us-gaap_PaymentsOfCapitalDistribution_a2f96259-6665-4af1-a71d-19ccf4448bea" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_3b447a01-e73f-4de1-af3a-deb21e9df37c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfUnsecuredDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_3b447a01-e73f-4de1-af3a-deb21e9df37c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_739d0395-1fd2-405a-a7a9-b9fb178ff4bd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_739d0395-1fd2-405a-a7a9-b9fb178ff4bd" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLinesOfCredit_6be88008-61b3-42a7-8570-5b1a9302a5ad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_us-gaap_RepaymentsOfLinesOfCredit_6be88008-61b3-42a7-8570-5b1a9302a5ad" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt_f0eb0a8b-8a5f-4b64-9c9e-5448e0592654" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfSeniorDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_us-gaap_RepaymentsOfSeniorDebt_f0eb0a8b-8a5f-4b64-9c9e-5448e0592654" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_28564baa-7da1-46fe-b4ab-d4742955620c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_28564baa-7da1-46fe-b4ab-d4742955620c" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_b988a585-f30a-4cba-ad24-2d61a4b18f91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsOfDebtIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_b988a585-f30a-4cba-ad24-2d61a4b18f91" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DistributionstoNonControllingInterests_04a92a08-462e-45ce-bdd2-eea0e9ee78a8" xlink:href="vici-20231231.xsd#vici_DistributionstoNonControllingInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_vici_DistributionstoNonControllingInterests_04a92a08-462e-45ce-bdd2-eea0e9ee78a8" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ae622dcb-f5ef-4450-a704-c89f1a29bcff" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_b54572af-801b-44dc-b549-0cca4caaf33e" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_ae622dcb-f5ef-4450-a704-c89f1a29bcff" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e9688781-0e33-4507-9e31-69974a967bac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_e9688781-0e33-4507-9e31-69974a967bac" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_e97cf695-9534-4024-a547-4cea8d3f5190" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_e97cf695-9534-4024-a547-4cea8d3f5190" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_78eae470-9dd9-4fd9-92c5-3237496304e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_78eae470-9dd9-4fd9-92c5-3237496304e0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b8119b78-b673-4b1b-b325-df4f9c8ca0c8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract_81dc62b9-80ab-48b3-a764-88873f1448fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:to="loc_us-gaap_SupplementalCashFlowInformationAbstract_81dc62b9-80ab-48b3-a764-88873f1448fd" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_563c9a7f-5aa7-47af-9ad6-cccbd8b9df20" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_81dc62b9-80ab-48b3-a764-88873f1448fd" xlink:to="loc_us-gaap_InterestPaidNet_563c9a7f-5aa7-47af-9ad6-cccbd8b9df20" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaid_49d324c1-bb73-488d-8d12-336c9eae511b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxesPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract_81dc62b9-80ab-48b3-a764-88873f1448fd" xlink:to="loc_us-gaap_IncomeTaxesPaid_49d324c1-bb73-488d-8d12-336c9eae511b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_41f681a9-8fc4-4807-bfc0-4c384808731a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_a5a5b384-d2d2-4eb0-87e7-9b778e73b5e1" xlink:to="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_41f681a9-8fc4-4807-bfc0-4c384808731a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NonCashDistributionsDeclaredNotPaid_178ab203-86f9-4699-9f7d-251922ea9c07" xlink:href="vici-20231231.xsd#vici_NonCashDistributionsDeclaredNotPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_41f681a9-8fc4-4807-bfc0-4c384808731a" xlink:to="loc_vici_NonCashDistributionsDeclaredNotPaid_178ab203-86f9-4699-9f7d-251922ea9c07" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ShareBasedPaymentArrangementAwardsIssuedSubjectToRepurchaseForTaxWitholding_181a901a-fafa-4e39-bddb-71b3d1488e0e" xlink:href="vici-20231231.xsd#vici_ShareBasedPaymentArrangementAwardsIssuedSubjectToRepurchaseForTaxWitholding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_41f681a9-8fc4-4807-bfc0-4c384808731a" xlink:to="loc_vici_ShareBasedPaymentArrangementAwardsIssuedSubjectToRepurchaseForTaxWitholding_181a901a-fafa-4e39-bddb-71b3d1488e0e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DebtIssuanceCostsPayable_409ad84b-d952-4e03-a156-5fbf41dfee30" xlink:href="vici-20231231.xsd#vici_DebtIssuanceCostsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_41f681a9-8fc4-4807-bfc0-4c384808731a" xlink:to="loc_vici_DebtIssuanceCostsPayable_409ad84b-d952-4e03-a156-5fbf41dfee30" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DeferredTransactionCostsPayable_b7a4ca4b-6c1c-4def-abdd-81a606e348b4" xlink:href="vici-20231231.xsd#vici_DeferredTransactionCostsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_41f681a9-8fc4-4807-bfc0-4c384808731a" xlink:to="loc_vici_DeferredTransactionCostsPayable_b7a4ca4b-6c1c-4def-abdd-81a606e348b4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NoncashChangeInInvestmentLeasesInvestingActivities_9e578a6b-b5a3-4483-8f33-346c64ca27fa" xlink:href="vici-20231231.xsd#vici_NoncashChangeInInvestmentLeasesInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_41f681a9-8fc4-4807-bfc0-4c384808731a" xlink:to="loc_vici_NoncashChangeInInvestmentLeasesInvestingActivities_9e578a6b-b5a3-4483-8f33-346c64ca27fa" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_518255c5-a474-4505-b273-35e6996ef443" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_41f681a9-8fc4-4807-bfc0-4c384808731a" xlink:to="loc_us-gaap_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_518255c5-a474-4505-b273-35e6996ef443" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/BusinessandOrganizationDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#BusinessandOrganizationDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/BusinessandOrganizationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_vici_OrganizationConsolidationandPresentationofFinancialStatementsLineItems_0338bbd8-9835-4275-806d-04008149b594" xlink:href="vici-20231231.xsd#vici_OrganizationConsolidationandPresentationofFinancialStatementsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OrganizationConsolidationAndPresentationOfFinancialStatementsTable_a788492b-987d-4c4c-bedc-9b3ed1b41f51" xlink:href="vici-20231231.xsd#vici_OrganizationConsolidationAndPresentationOfFinancialStatementsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_vici_OrganizationConsolidationandPresentationofFinancialStatementsLineItems_0338bbd8-9835-4275-806d-04008149b594" xlink:to="loc_vici_OrganizationConsolidationAndPresentationOfFinancialStatementsTable_a788492b-987d-4c4c-bedc-9b3ed1b41f51" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_8e0b2724-edc5-4eb2-8ed2-f52568db1ca7" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_vici_OrganizationConsolidationAndPresentationOfFinancialStatementsTable_a788492b-987d-4c4c-bedc-9b3ed1b41f51" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_8e0b2724-edc5-4eb2-8ed2-f52568db1ca7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_8e0b2724-edc5-4eb2-8ed2-f52568db1ca7_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_8e0b2724-edc5-4eb2-8ed2-f52568db1ca7" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_8e0b2724-edc5-4eb2-8ed2-f52568db1ca7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_159a2d10-eba0-4bfb-91cf-6045c8af20f5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_8e0b2724-edc5-4eb2-8ed2-f52568db1ca7" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_159a2d10-eba0-4bfb-91cf-6045c8af20f5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_GamingPropertiesMember_c8a954fb-836e-44e5-b567-04e1f3b34fb0" xlink:href="vici-20231231.xsd#vici_GamingPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_159a2d10-eba0-4bfb-91cf-6045c8af20f5" xlink:to="loc_vici_GamingPropertiesMember_c8a954fb-836e-44e5-b567-04e1f3b34fb0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OtherExperientialPropertiesMember_bb060e17-f937-425c-9de6-2b683f0d81a9" xlink:href="vici-20231231.xsd#vici_OtherExperientialPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_159a2d10-eba0-4bfb-91cf-6045c8af20f5" xlink:to="loc_vici_OtherExperientialPropertiesMember_bb060e17-f937-425c-9de6-2b683f0d81a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_GolfCoursesMember_3d20648b-3de1-4135-b338-8bebbf890f7c" xlink:href="vici-20231231.xsd#vici_GolfCoursesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_159a2d10-eba0-4bfb-91cf-6045c8af20f5" xlink:to="loc_vici_GolfCoursesMember_3d20648b-3de1-4135-b338-8bebbf890f7c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_cae9fc0e-b7d3-4a10-ae45-72685d8ceac8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_OrganizationConsolidationandPresentationofFinancialStatementsLineItems_0338bbd8-9835-4275-806d-04008149b594" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_cae9fc0e-b7d3-4a10-ae45-72685d8ceac8" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#SummaryofSignificantAccountingPoliciesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/SummaryofSignificantAccountingPoliciesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstatePropertiesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfRealEstatePropertiesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_7854a104-7f7d-49d0-b7b7-757998f085db" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_7854a104-7f7d-49d0-b7b7-757998f085db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_7854a104-7f7d-49d0-b7b7-757998f085db_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_7854a104-7f7d-49d0-b7b7-757998f085db" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_7854a104-7f7d-49d0-b7b7-757998f085db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_31935c5c-1949-4ca4-b153-506dd7d2aed7" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_7854a104-7f7d-49d0-b7b7-757998f085db" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_31935c5c-1949-4ca4-b153-506dd7d2aed7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_GolfCoursesMember_10b8fbc3-b03c-44e3-b0b8-0f4c10b428d2" xlink:href="vici-20231231.xsd#vici_GolfCoursesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_31935c5c-1949-4ca4-b153-506dd7d2aed7" xlink:to="loc_vici_GolfCoursesMember_10b8fbc3-b03c-44e3-b0b8-0f4c10b428d2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_957683a2-acab-4609-bb81-bb24e8d70fb2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_us-gaap_AwardTypeAxis_957683a2-acab-4609-bb81-bb24e8d70fb2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_957683a2-acab-4609-bb81-bb24e8d70fb2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_957683a2-acab-4609-bb81-bb24e8d70fb2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_957683a2-acab-4609-bb81-bb24e8d70fb2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0bab6e87-cf22-49eb-911b-bbf2456939df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_957683a2-acab-4609-bb81-bb24e8d70fb2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0bab6e87-cf22-49eb-911b-bbf2456939df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_TimeBasedRestrictedSharesMember_7b04664f-5f09-487d-9a98-a08f5402c14d" xlink:href="vici-20231231.xsd#vici_TimeBasedRestrictedSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_0bab6e87-cf22-49eb-911b-bbf2456939df" xlink:to="loc_vici_TimeBasedRestrictedSharesMember_7b04664f-5f09-487d-9a98-a08f5402c14d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_bf38307a-c320-4ac8-a32c-83d01b2ce3f7" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_srt_OwnershipAxis_bf38307a-c320-4ac8-a32c-83d01b2ce3f7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_bf38307a-c320-4ac8-a32c-83d01b2ce3f7_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_bf38307a-c320-4ac8-a32c-83d01b2ce3f7" xlink:to="loc_srt_OwnershipDomain_bf38307a-c320-4ac8-a32c-83d01b2ce3f7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_2e376f0c-9ddb-42a4-b6bf-57a285f5d56c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_bf38307a-c320-4ac8-a32c-83d01b2ce3f7" xlink:to="loc_srt_OwnershipDomain_2e376f0c-9ddb-42a4-b6bf-57a285f5d56c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIOPMember_0dd42d36-0b43-4711-a94f-e693fd67d553" xlink:href="vici-20231231.xsd#vici_VICIOPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_2e376f0c-9ddb-42a4-b6bf-57a285f5d56c" xlink:to="loc_vici_VICIOPMember_0dd42d36-0b43-4711-a94f-e693fd67d553" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_HarrahsJolietLandCoLLCMember_da43bb75-52e2-420a-a82a-ef3214b0cc48" xlink:href="vici-20231231.xsd#vici_HarrahsJolietLandCoLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_2e376f0c-9ddb-42a4-b6bf-57a285f5d56c" xlink:to="loc_vici_HarrahsJolietLandCoLLCMember_da43bb75-52e2-420a-a82a-ef3214b0cc48" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ViciBowlHoldCoLLCMember_57f44126-edc3-40aa-9301-14cc03c47a59" xlink:href="vici-20231231.xsd#vici_ViciBowlHoldCoLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_2e376f0c-9ddb-42a4-b6bf-57a285f5d56c" xlink:to="loc_vici_ViciBowlHoldCoLLCMember_57f44126-edc3-40aa-9301-14cc03c47a59" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_6a211035-bdd1-436f-a6df-249cc812888c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_srt_RangeAxis_6a211035-bdd1-436f-a6df-249cc812888c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_6a211035-bdd1-436f-a6df-249cc812888c_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_6a211035-bdd1-436f-a6df-249cc812888c" xlink:to="loc_srt_RangeMember_6a211035-bdd1-436f-a6df-249cc812888c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_f206d03f-7b84-4cfe-aa4c-f3e9643f3451" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_6a211035-bdd1-436f-a6df-249cc812888c" xlink:to="loc_srt_RangeMember_f206d03f-7b84-4cfe-aa4c-f3e9643f3451" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_72aaf0fe-2970-4b12-b708-5cc2a8052da8" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f206d03f-7b84-4cfe-aa4c-f3e9643f3451" xlink:to="loc_srt_MinimumMember_72aaf0fe-2970-4b12-b708-5cc2a8052da8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_96f7e38d-1da0-4e3e-8944-0bf7c44bd86f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f206d03f-7b84-4cfe-aa4c-f3e9643f3451" xlink:to="loc_srt_MaximumMember_96f7e38d-1da0-4e3e-8944-0bf7c44bd86f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_ce4a6d9e-478c-4eb0-b72c-1c11664e4b6e" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_dei_LegalEntityAxis_ce4a6d9e-478c-4eb0-b72c-1c11664e4b6e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ce4a6d9e-478c-4eb0-b72c-1c11664e4b6e_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_ce4a6d9e-478c-4eb0-b72c-1c11664e4b6e" xlink:to="loc_dei_EntityDomain_ce4a6d9e-478c-4eb0-b72c-1c11664e4b6e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ca39fa7a-6e61-4447-a85f-3a2cdf4f4bed" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_ce4a6d9e-478c-4eb0-b72c-1c11664e4b6e" xlink:to="loc_dei_EntityDomain_ca39fa7a-6e61-4447-a85f-3a2cdf4f4bed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CaesarsEntertainmentCorporationMember_81226fce-4ba4-4dc4-877f-869bf83f3668" xlink:href="vici-20231231.xsd#vici_CaesarsEntertainmentCorporationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_ca39fa7a-6e61-4447-a85f-3a2cdf4f4bed" xlink:to="loc_vici_CaesarsEntertainmentCorporationMember_81226fce-4ba4-4dc4-877f-869bf83f3668" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMResortsInternationalMember_ff46ddb0-c08b-4b46-b00d-0cad8e2e9546" xlink:href="vici-20231231.xsd#vici_MGMResortsInternationalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_ca39fa7a-6e61-4447-a85f-3a2cdf4f4bed" xlink:to="loc_vici_MGMResortsInternationalMember_ff46ddb0-c08b-4b46-b00d-0cad8e2e9546" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis_ef4eb250-2041-4442-894c-6ae36ef1fb0d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_StatementGeographicalAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_srt_StatementGeographicalAxis_ef4eb250-2041-4442-894c-6ae36ef1fb0d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_ef4eb250-2041-4442-894c-6ae36ef1fb0d_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_StatementGeographicalAxis_ef4eb250-2041-4442-894c-6ae36ef1fb0d" xlink:to="loc_srt_SegmentGeographicalDomain_ef4eb250-2041-4442-894c-6ae36ef1fb0d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain_2e2d2594-5560-4b2b-a340-85fac8dfb1f0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_SegmentGeographicalDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_StatementGeographicalAxis_ef4eb250-2041-4442-894c-6ae36ef1fb0d" xlink:to="loc_srt_SegmentGeographicalDomain_2e2d2594-5560-4b2b-a340-85fac8dfb1f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PropertyLasVegasStripMember_69b07662-1209-494f-a448-e73eef85ccb2" xlink:href="vici-20231231.xsd#vici_PropertyLasVegasStripMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_SegmentGeographicalDomain_2e2d2594-5560-4b2b-a340-85fac8dfb1f0" xlink:to="loc_vici_PropertyLasVegasStripMember_69b07662-1209-494f-a448-e73eef85ccb2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_af01315d-b6ee-4a31-b621-f90bd3e4e0cc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_af01315d-b6ee-4a31-b621-f90bd3e4e0cc" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_af01315d-b6ee-4a31-b621-f90bd3e4e0cc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_af01315d-b6ee-4a31-b621-f90bd3e4e0cc" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_af01315d-b6ee-4a31-b621-f90bd3e4e0cc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_101d9c70-65ab-454a-b6e4-aed3ee634ab5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_af01315d-b6ee-4a31-b621-f90bd3e4e0cc" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_101d9c70-65ab-454a-b6e4-aed3ee634ab5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_EastsidePropertyMember_a61fc70c-5fd2-437a-ae19-48b4c53a2646" xlink:href="vici-20231231.xsd#vici_EastsidePropertyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_101d9c70-65ab-454a-b6e4-aed3ee634ab5" xlink:to="loc_vici_EastsidePropertyMember_a61fc70c-5fd2-437a-ae19-48b4c53a2646" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_7ffd9caf-8e72-4ec9-8488-072cf0d6008e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_7ffd9caf-8e72-4ec9-8488-072cf0d6008e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_7ffd9caf-8e72-4ec9-8488-072cf0d6008e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_7ffd9caf-8e72-4ec9-8488-072cf0d6008e" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_7ffd9caf-8e72-4ec9-8488-072cf0d6008e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_edae3fec-fff2-4f1b-93a1-52a781295099" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_7ffd9caf-8e72-4ec9-8488-072cf0d6008e" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_edae3fec-fff2-4f1b-93a1-52a781295099" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_85a32c6f-b9af-4d98-98f0-8bec2b4e7a57" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_edae3fec-fff2-4f1b-93a1-52a781295099" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_85a32c6f-b9af-4d98-98f0-8bec2b4e7a57" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeographicConcentrationRiskMember_6914626b-9eda-40fd-aa5e-06f54afac18b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeographicConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_edae3fec-fff2-4f1b-93a1-52a781295099" xlink:to="loc_us-gaap_GeographicConcentrationRiskMember_6914626b-9eda-40fd-aa5e-06f54afac18b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_f334404b-98a7-48b4-8619-6cc0e1746dc2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_f334404b-98a7-48b4-8619-6cc0e1746dc2" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f334404b-98a7-48b4-8619-6cc0e1746dc2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_f334404b-98a7-48b4-8619-6cc0e1746dc2" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_f334404b-98a7-48b4-8619-6cc0e1746dc2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_27a19002-b387-42e7-b1dc-6ba11fd6b8a9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_f334404b-98a7-48b4-8619-6cc0e1746dc2" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_27a19002-b387-42e7-b1dc-6ba11fd6b8a9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesRevenueNetMember_1a735434-483b-46a0-a3e7-5be36210b1d7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_27a19002-b387-42e7-b1dc-6ba11fd6b8a9" xlink:to="loc_us-gaap_SalesRevenueNetMember_1a735434-483b-46a0-a3e7-5be36210b1d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_380c6b6d-c8bf-43a5-bcba-3a320e16fee7" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_380c6b6d-c8bf-43a5-bcba-3a320e16fee7" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_380c6b6d-c8bf-43a5-bcba-3a320e16fee7_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_380c6b6d-c8bf-43a5-bcba-3a320e16fee7" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_380c6b6d-c8bf-43a5-bcba-3a320e16fee7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_49bdcb97-75b8-4588-a669-0844e5aa06e3" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_380c6b6d-c8bf-43a5-bcba-3a320e16fee7" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_49bdcb97-75b8-4588-a669-0844e5aa06e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_BREITJVMember_34ba3b8d-4af3-4427-a5ca-e99658125d79" xlink:href="vici-20231231.xsd#vici_BREITJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_49bdcb97-75b8-4588-a669-0844e5aa06e3" xlink:to="loc_vici_BREITJVMember_34ba3b8d-4af3-4427-a5ca-e99658125d79" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_270d8d02-800c-49a1-8d7a-ab41f6e02274" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_49bdcb97-75b8-4588-a669-0844e5aa06e3" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_270d8d02-800c-49a1-8d7a-ab41f6e02274" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_5e036558-e3ce-4991-b5c7-332d250a9141" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRealEstatePropertiesTable_b457be18-9237-461d-924d-54254d4977de" xlink:to="loc_us-gaap_AssetAcquisitionAxis_5e036558-e3ce-4991-b5c7-332d250a9141" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_5e036558-e3ce-4991-b5c7-332d250a9141_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_5e036558-e3ce-4991-b5c7-332d250a9141" xlink:to="loc_us-gaap_AssetAcquisitionDomain_5e036558-e3ce-4991-b5c7-332d250a9141_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_097fcf7a-5a4a-42eb-b863-ae41bf59a974" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_5e036558-e3ce-4991-b5c7-332d250a9141" xlink:to="loc_us-gaap_AssetAcquisitionDomain_097fcf7a-5a4a-42eb-b863-ae41bf59a974" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_af0a4dd3-eea8-4aaf-9bfb-8ef6c01f928f" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_097fcf7a-5a4a-42eb-b863-ae41bf59a974" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_af0a4dd3-eea8-4aaf-9bfb-8ef6c01f928f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_da34b4b9-c2f3-46e3-b933-750aa1620dcc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_da34b4b9-c2f3-46e3-b933-750aa1620dcc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_33999578-42bb-472a-ae8e-af373bac8e3f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_NumberOfOperatingSegments_33999578-42bb-472a-ae8e-af373bac8e3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_721a3368-8086-4df9-bcfe-2816611a9e85" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_NumberOfReportableSegments_721a3368-8086-4df9-bcfe-2816611a9e85" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_b6a6822b-4c91-4fc3-b2bb-3ebe5f59f773" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RestrictedCash"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_RestrictedCash_b6a6822b-4c91-4fc3-b2bb-3ebe5f59f773" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermInvestments_66a05c51-3d13-4c84-b82e-c85e817fe73d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShortTermInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_ShortTermInvestments_66a05c51-3d13-4c84-b82e-c85e817fe73d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_532943a5-a3b7-4225-a2f0-341936c4e0d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AreaOfRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_532943a5-a3b7-4225-a2f0-341936c4e0d0" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfLandHeldforinvestment_5fd06165-43a6-40ea-a339-e3713639a804" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromSaleOfLandHeldforinvestment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_ProceedsFromSaleOfLandHeldforinvestment_5fd06165-43a6-40ea-a339-e3713639a804" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositLiabilityCurrent_4dc6bd04-ff1a-4b17-8151-40caa0333eb6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DepositLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_DepositLiabilityCurrent_4dc6bd04-ff1a-4b17-8151-40caa0333eb6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_2453fa7a-8557-4b60-a72c-8d3174e5dba8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_2453fa7a-8557-4b60-a72c-8d3174e5dba8" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionPercentageOfVotingInterestsAcquired_412d2c4c-480c-46a8-bfbb-3d86b3371193" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionPercentageOfVotingInterestsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_vici_AssetAcquisitionPercentageOfVotingInterestsAcquired_412d2c4c-480c-46a8-bfbb-3d86b3371193" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_a609c504-8fb0-4b41-ad8a-c64a156e3da2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_a609c504-8fb0-4b41-ad8a-c64a156e3da2" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualMembershipFee_1db9ac88-59cb-4b27-8b71-ec606c2e8d3c" xlink:href="vici-20231231.xsd#vici_AnnualMembershipFee"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_vici_AnnualMembershipFee_1db9ac88-59cb-4b27-8b71-ec606c2e8d3c" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_UseFeesUnderGolfCourseAgreement_a35c1d0d-c00a-4136-8c59-1c0d4361a04a" xlink:href="vici-20231231.xsd#vici_UseFeesUnderGolfCourseAgreement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_vici_UseFeesUnderGolfCourseAgreement_a35c1d0d-c00a-4136-8c59-1c0d4361a04a" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MinimumRoundsFeesUnderGolfCourseAgreement_09ab341e-0465-4c9b-b4f3-504dd6833b50" xlink:href="vici-20231231.xsd#vici_MinimumRoundsFeesUnderGolfCourseAgreement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_vici_MinimumRoundsFeesUnderGolfCourseAgreement_09ab341e-0465-4c9b-b4f3-504dd6833b50" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_99c039ca-e921-4e34-bad5-633b6ee228a0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_99c039ca-e921-4e34-bad5-633b6ee228a0" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodOfVolumeOfWeightedAveragePrice_f79d2239-51a7-4b3c-afa7-b552a5d6e271" xlink:href="vici-20231231.xsd#vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodOfVolumeOfWeightedAveragePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodOfVolumeOfWeightedAveragePrice_f79d2239-51a7-4b3c-afa7-b552a5d6e271" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SharebasedCompensationArrangementbySharebasedPaymentAwardTradingDays_daab42c1-b26a-49ce-962e-89f79f951815" xlink:href="vici-20231231.xsd#vici_SharebasedCompensationArrangementbySharebasedPaymentAwardTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_vici_SharebasedCompensationArrangementbySharebasedPaymentAwardTradingDays_daab42c1-b26a-49ce-962e-89f79f951815" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_bc772ad4-d5df-4f0d-95fe-10ef396df819" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_bc772ad4-d5df-4f0d-95fe-10ef396df819" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_20016994-6b21-4457-a042-18b365bf7742" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstatePropertiesLineItems_aa0c8f75-6f99-4593-ac8e-459e384f30fc" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_20016994-6b21-4457-a042-18b365bf7742" xlink:type="arc" order="18"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/SummaryofSignificantAccountingPoliciesScheduleofDepreciationDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#SummaryofSignificantAccountingPoliciesScheduleofDepreciationDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/SummaryofSignificantAccountingPoliciesScheduleofDepreciationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8c5903dd-14da-4611-b245-0fe067b74593" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_76d7b680-0b6c-4b14-9dbb-16266abd7b0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8c5903dd-14da-4611-b245-0fe067b74593" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_76d7b680-0b6c-4b14-9dbb-16266abd7b0b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_f470ebbc-0b93-408b-8429-ceb111876c01" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_76d7b680-0b6c-4b14-9dbb-16266abd7b0b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_f470ebbc-0b93-408b-8429-ceb111876c01" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_f470ebbc-0b93-408b-8429-ceb111876c01_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_f470ebbc-0b93-408b-8429-ceb111876c01" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_f470ebbc-0b93-408b-8429-ceb111876c01_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_440b01a9-5fe3-4acf-8428-aad384f747ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_f470ebbc-0b93-408b-8429-ceb111876c01" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_440b01a9-5fe3-4acf-8428-aad384f747ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandImprovementsMember_9c369e53-a323-42da-b0e3-72e3e86178cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LandImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_440b01a9-5fe3-4acf-8428-aad384f747ea" xlink:to="loc_us-gaap_LandImprovementsMember_9c369e53-a323-42da-b0e3-72e3e86178cf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_7b5c0694-05b3-4e02-bec7-e8b3c95393da" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_440b01a9-5fe3-4acf-8428-aad384f747ea" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_7b5c0694-05b3-4e02-bec7-e8b3c95393da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FurnitureandEquipmentMember_d32db55f-f209-4339-af4d-6d550e925a0e" xlink:href="vici-20231231.xsd#vici_FurnitureandEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_440b01a9-5fe3-4acf-8428-aad384f747ea" xlink:to="loc_vici_FurnitureandEquipmentMember_d32db55f-f209-4339-af4d-6d550e925a0e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_64cbcb46-368d-4d00-a8d1-1917594325dc" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_76d7b680-0b6c-4b14-9dbb-16266abd7b0b" xlink:to="loc_srt_RangeAxis_64cbcb46-368d-4d00-a8d1-1917594325dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_64cbcb46-368d-4d00-a8d1-1917594325dc_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_64cbcb46-368d-4d00-a8d1-1917594325dc" xlink:to="loc_srt_RangeMember_64cbcb46-368d-4d00-a8d1-1917594325dc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_c0d629a4-1156-4660-99bd-e8fed49cecf9" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_64cbcb46-368d-4d00-a8d1-1917594325dc" xlink:to="loc_srt_RangeMember_c0d629a4-1156-4660-99bd-e8fed49cecf9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_2cb8ecaa-09dd-41dd-a3d0-5a6bf15f45c0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_c0d629a4-1156-4660-99bd-e8fed49cecf9" xlink:to="loc_srt_MinimumMember_2cb8ecaa-09dd-41dd-a3d0-5a6bf15f45c0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_66163d44-99e3-45aa-82a3-49e2c0bc8b4c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_c0d629a4-1156-4660-99bd-e8fed49cecf9" xlink:to="loc_srt_MaximumMember_66163d44-99e3-45aa-82a3-49e2c0bc8b4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_5cc95e43-d7b6-48cf-95bb-1c935c45d30c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_8c5903dd-14da-4611-b245-0fe067b74593" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_5cc95e43-d7b6-48cf-95bb-1c935c45d30c" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsChelseaPiersTransactionDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsChelseaPiersTransactionDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsChelseaPiersTransactionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_3177b691-254f-42e9-a1fc-9499be29fa05" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_38e6c1d0-b383-42a5-b8b3-afa216f2e4dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3177b691-254f-42e9-a1fc-9499be29fa05" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_38e6c1d0-b383-42a5-b8b3-afa216f2e4dd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_67334f67-2112-48f9-8b7d-506e7cd8b0b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_38e6c1d0-b383-42a5-b8b3-afa216f2e4dd" xlink:to="loc_us-gaap_AssetAcquisitionAxis_67334f67-2112-48f9-8b7d-506e7cd8b0b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_67334f67-2112-48f9-8b7d-506e7cd8b0b4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_67334f67-2112-48f9-8b7d-506e7cd8b0b4" xlink:to="loc_us-gaap_AssetAcquisitionDomain_67334f67-2112-48f9-8b7d-506e7cd8b0b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_6c173444-68fa-4980-84ab-e1aa5fd95ba4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_67334f67-2112-48f9-8b7d-506e7cd8b0b4" xlink:to="loc_us-gaap_AssetAcquisitionDomain_6c173444-68fa-4980-84ab-e1aa5fd95ba4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ChelseaPiersMember_03fff2fb-ab47-42cc-85ab-d12596a207f7" xlink:href="vici-20231231.xsd#vici_ChelseaPiersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_6c173444-68fa-4980-84ab-e1aa5fd95ba4" xlink:to="loc_vici_ChelseaPiersMember_03fff2fb-ab47-42cc-85ab-d12596a207f7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleLeasebackTransactionDescriptionAxis_42cac459-1ba4-43df-b365-a2ea48fe57ec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleLeasebackTransactionDescriptionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_38e6c1d0-b383-42a5-b8b3-afa216f2e4dd" xlink:to="loc_us-gaap_SaleLeasebackTransactionDescriptionAxis_42cac459-1ba4-43df-b365-a2ea48fe57ec" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleLeasebackTransactionNameDomain_42cac459-1ba4-43df-b365-a2ea48fe57ec_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleLeasebackTransactionNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SaleLeasebackTransactionDescriptionAxis_42cac459-1ba4-43df-b365-a2ea48fe57ec" xlink:to="loc_us-gaap_SaleLeasebackTransactionNameDomain_42cac459-1ba4-43df-b365-a2ea48fe57ec_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleLeasebackTransactionNameDomain_a34e08f9-70a3-427a-b95c-58edef8973a5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleLeasebackTransactionNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SaleLeasebackTransactionDescriptionAxis_42cac459-1ba4-43df-b365-a2ea48fe57ec" xlink:to="loc_us-gaap_SaleLeasebackTransactionNameDomain_a34e08f9-70a3-427a-b95c-58edef8973a5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ChelseaPiersMember_65572fa3-5a7b-4740-a1b5-8cb9078855be" xlink:href="vici-20231231.xsd#vici_ChelseaPiersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleLeasebackTransactionNameDomain_a34e08f9-70a3-427a-b95c-58edef8973a5" xlink:to="loc_vici_ChelseaPiersMember_65572fa3-5a7b-4740-a1b5-8cb9078855be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_b909fde0-6f00-44a2-941f-9be7e4a1839b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3177b691-254f-42e9-a1fc-9499be29fa05" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_b909fde0-6f00-44a2-941f-9be7e4a1839b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_feef3ffd-5505-4171-8dce-31b9e8c95427" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3177b691-254f-42e9-a1fc-9499be29fa05" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_feef3ffd-5505-4171-8dce-31b9e8c95427" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleLeasebackTransactionAnnualRentAmount_00747deb-7f7c-46b5-a1f3-ce96182fa5cd" xlink:href="vici-20231231.xsd#vici_SaleLeasebackTransactionAnnualRentAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3177b691-254f-42e9-a1fc-9499be29fa05" xlink:to="loc_vici_SaleLeasebackTransactionAnnualRentAmount_00747deb-7f7c-46b5-a1f3-ce96182fa5cd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_2602430c-3bd1-446f-a973-4c76ac659e4f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3177b691-254f-42e9-a1fc-9499be29fa05" xlink:to="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_2602430c-3bd1-446f-a973-4c76ac659e4f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_e29c9c31-5299-4eb0-97c2-ea4f0867cda3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3177b691-254f-42e9-a1fc-9499be29fa05" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_e29c9c31-5299-4eb0-97c2-ea4f0867cda3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleLeasebackTransactionAnnualRentEscalationRateYear3Percent_41b7a368-1d2f-4016-938b-3977d132fde5" xlink:href="vici-20231231.xsd#vici_SaleLeasebackTransactionAnnualRentEscalationRateYear3Percent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3177b691-254f-42e9-a1fc-9499be29fa05" xlink:to="loc_vici_SaleLeasebackTransactionAnnualRentEscalationRateYear3Percent_41b7a368-1d2f-4016-938b-3977d132fde5" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleLeasebackTransactionAnnualRentEscalationRateYear4AndThereafterPercent_3c4795b5-2e4e-4ba4-bdc5-5aaddf7c4d82" xlink:href="vici-20231231.xsd#vici_SaleLeasebackTransactionAnnualRentEscalationRateYear4AndThereafterPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_3177b691-254f-42e9-a1fc-9499be29fa05" xlink:to="loc_vici_SaleLeasebackTransactionAnnualRentEscalationRateYear4AndThereafterPercent_3c4795b5-2e4e-4ba4-bdc5-5aaddf7c4d82" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsBowleroTransactionDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsBowleroTransactionDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsBowleroTransactionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_f1a808ba-5970-4b62-af9d-61165ce81c4a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_f1a808ba-5970-4b62-af9d-61165ce81c4a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_73e4ff43-7bce-442b-b1b4-d76a8db59810" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_f1a808ba-5970-4b62-af9d-61165ce81c4a" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_73e4ff43-7bce-442b-b1b4-d76a8db59810" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_73e4ff43-7bce-442b-b1b4-d76a8db59810_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_73e4ff43-7bce-442b-b1b4-d76a8db59810" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_73e4ff43-7bce-442b-b1b4-d76a8db59810_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_6a6eec0b-c549-45bf-9bf7-14a30ef986c5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_73e4ff43-7bce-442b-b1b4-d76a8db59810" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_6a6eec0b-c549-45bf-9bf7-14a30ef986c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_BowlingEntertainmentCenterMember_849b19c0-e067-4336-acb1-a220df563996" xlink:href="vici-20231231.xsd#vici_BowlingEntertainmentCenterMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_6a6eec0b-c549-45bf-9bf7-14a30ef986c5" xlink:to="loc_vici_BowlingEntertainmentCenterMember_849b19c0-e067-4336-acb1-a220df563996" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_558f3924-5a8e-4516-81d6-0d67e70d1f91" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_f1a808ba-5970-4b62-af9d-61165ce81c4a" xlink:to="loc_us-gaap_AssetAcquisitionAxis_558f3924-5a8e-4516-81d6-0d67e70d1f91" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_558f3924-5a8e-4516-81d6-0d67e70d1f91_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_558f3924-5a8e-4516-81d6-0d67e70d1f91" xlink:to="loc_us-gaap_AssetAcquisitionDomain_558f3924-5a8e-4516-81d6-0d67e70d1f91_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_bfbb8451-87b0-40d6-bae0-6095e5772238" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_558f3924-5a8e-4516-81d6-0d67e70d1f91" xlink:to="loc_us-gaap_AssetAcquisitionDomain_bfbb8451-87b0-40d6-bae0-6095e5772238" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_BowleroMember_2776a8b4-dafd-46af-96ce-bc173377b65b" xlink:href="vici-20231231.xsd#vici_BowleroMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_bfbb8451-87b0-40d6-bae0-6095e5772238" xlink:to="loc_vici_BowleroMember_2776a8b4-dafd-46af-96ce-bc173377b65b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermAxis_ea0ea9f8-e069-4ab2-aa21-d1445e2d18e3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_f1a808ba-5970-4b62-af9d-61165ce81c4a" xlink:to="loc_us-gaap_LeaseContractualTermAxis_ea0ea9f8-e069-4ab2-aa21-d1445e2d18e3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_ea0ea9f8-e069-4ab2-aa21-d1445e2d18e3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LeaseContractualTermAxis_ea0ea9f8-e069-4ab2-aa21-d1445e2d18e3" xlink:to="loc_us-gaap_LeaseContractualTermDomain_ea0ea9f8-e069-4ab2-aa21-d1445e2d18e3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_f7e713d9-ec90-4dc0-b857-bbb4a83d5f49" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LeaseContractualTermAxis_ea0ea9f8-e069-4ab2-aa21-d1445e2d18e3" xlink:to="loc_us-gaap_LeaseContractualTermDomain_f7e713d9-ec90-4dc0-b857-bbb4a83d5f49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_BowleroMasterLeaseMember_e230ffdf-52b0-450d-b442-883e058fe08b" xlink:href="vici-20231231.xsd#vici_BowleroMasterLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_f7e713d9-ec90-4dc0-b857-bbb4a83d5f49" xlink:to="loc_vici_BowleroMasterLeaseMember_e230ffdf-52b0-450d-b442-883e058fe08b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_dc5a4657-c5e0-4a02-9ae1-caad67fa3d80" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_f1a808ba-5970-4b62-af9d-61165ce81c4a" xlink:to="loc_srt_RangeAxis_dc5a4657-c5e0-4a02-9ae1-caad67fa3d80" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_dc5a4657-c5e0-4a02-9ae1-caad67fa3d80_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_dc5a4657-c5e0-4a02-9ae1-caad67fa3d80" xlink:to="loc_srt_RangeMember_dc5a4657-c5e0-4a02-9ae1-caad67fa3d80_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_47529939-ea74-4afc-ba5c-85c29a88ccf3" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_dc5a4657-c5e0-4a02-9ae1-caad67fa3d80" xlink:to="loc_srt_RangeMember_47529939-ea74-4afc-ba5c-85c29a88ccf3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_fd46becf-4515-4d85-8b24-9bb8ee0b8fa4" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_47529939-ea74-4afc-ba5c-85c29a88ccf3" xlink:to="loc_srt_MinimumMember_fd46becf-4515-4d85-8b24-9bb8ee0b8fa4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_6268e1d2-d052-4cd8-900c-40db068b49c3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_6268e1d2-d052-4cd8-900c-40db068b49c3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_d2fcedb4-439e-42ac-851a-fc4a8b2012cf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_d2fcedb4-439e-42ac-851a-fc4a8b2012cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleLeasebackTransactionAnnualRentAmount_c997d4e0-ebae-4f1b-9d5f-700c60deae3c" xlink:href="vici-20231231.xsd#vici_SaleLeasebackTransactionAnnualRentAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_vici_SaleLeasebackTransactionAnnualRentAmount_c997d4e0-ebae-4f1b-9d5f-700c60deae3c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_8b209d68-44a5-4c85-bf33-477f28e846b7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_8b209d68-44a5-4c85-bf33-477f28e846b7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_3e23ac41-619f-4333-8ea0-36609c015647" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_3e23ac41-619f-4333-8ea0-36609c015647" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_6cb909ac-2c83-451e-b06d-1af78ba7730a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_6cb909ac-2c83-451e-b06d-1af78ba7730a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRatePercent_81ebeaa1-0746-434b-a98b-7130fa4f7355" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_vici_AnnualEscalationRatePercent_81ebeaa1-0746-434b-a98b-7130fa4f7355" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualRentIncreaseCapPercent_acd67649-ac5c-4fae-8172-c0991f02a838" xlink:href="vici-20231231.xsd#vici_AnnualRentIncreaseCapPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_vici_AnnualRentIncreaseCapPercent_acd67649-ac5c-4fae-8172-c0991f02a838" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsSalesTypeLeasesRightOfFirstOfferProvisionTerm_f8012656-c00f-4b70-af0a-8ff4a9d17d04" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsSalesTypeLeasesRightOfFirstOfferProvisionTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_855d86ba-f03f-4877-9dfd-d9ae77e41e95" xlink:to="loc_vici_LessorLeasingArrangementsSalesTypeLeasesRightOfFirstOfferProvisionTerm_f8012656-c00f-4b70-af0a-8ff4a9d17d04" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsCenturyCanadianPortfolioTransactionDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsCenturyCanadianPortfolioTransactionDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsCenturyCanadianPortfolioTransactionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_0eb425f3-4dc0-4fe9-98e3-203ae017915c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6838e122-862c-4986-be1f-a2cee3e0d070" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0eb425f3-4dc0-4fe9-98e3-203ae017915c" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6838e122-862c-4986-be1f-a2cee3e0d070" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_8fabd8ee-03e2-4637-ace6-17511b9e1452" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6838e122-862c-4986-be1f-a2cee3e0d070" xlink:to="loc_us-gaap_AssetAcquisitionAxis_8fabd8ee-03e2-4637-ace6-17511b9e1452" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_8fabd8ee-03e2-4637-ace6-17511b9e1452_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_8fabd8ee-03e2-4637-ace6-17511b9e1452" xlink:to="loc_us-gaap_AssetAcquisitionDomain_8fabd8ee-03e2-4637-ace6-17511b9e1452_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_e85c19c3-80c8-4a2d-9a98-4ba443fe0e6f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_8fabd8ee-03e2-4637-ace6-17511b9e1452" xlink:to="loc_us-gaap_AssetAcquisitionDomain_e85c19c3-80c8-4a2d-9a98-4ba443fe0e6f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CenturyCasinoPortfolioAssetsMember_57473182-567d-453c-b957-9eaf590bdbcf" xlink:href="vici-20231231.xsd#vici_CenturyCasinoPortfolioAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_e85c19c3-80c8-4a2d-9a98-4ba443fe0e6f" xlink:to="loc_vici_CenturyCasinoPortfolioAssetsMember_57473182-567d-453c-b957-9eaf590bdbcf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermAxis_64856121-939d-4c34-b268-8409365f7e5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6838e122-862c-4986-be1f-a2cee3e0d070" xlink:to="loc_us-gaap_LeaseContractualTermAxis_64856121-939d-4c34-b268-8409365f7e5c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_64856121-939d-4c34-b268-8409365f7e5c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LeaseContractualTermAxis_64856121-939d-4c34-b268-8409365f7e5c" xlink:to="loc_us-gaap_LeaseContractualTermDomain_64856121-939d-4c34-b268-8409365f7e5c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_1124a116-e5ba-4451-9ec5-3b4b75550104" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LeaseContractualTermAxis_64856121-939d-4c34-b268-8409365f7e5c" xlink:to="loc_us-gaap_LeaseContractualTermDomain_1124a116-e5ba-4451-9ec5-3b4b75550104" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CenturyMasterLeaseMember_8d80e9aa-4713-45e5-9255-cf648b6d43b4" xlink:href="vici-20231231.xsd#vici_CenturyMasterLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_1124a116-e5ba-4451-9ec5-3b4b75550104" xlink:to="loc_vici_CenturyMasterLeaseMember_8d80e9aa-4713-45e5-9255-cf648b6d43b4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a60c9fa8-5d6f-4425-b4eb-82d25afaff08" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_6838e122-862c-4986-be1f-a2cee3e0d070" xlink:to="loc_dei_LegalEntityAxis_a60c9fa8-5d6f-4425-b4eb-82d25afaff08" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_a60c9fa8-5d6f-4425-b4eb-82d25afaff08_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_a60c9fa8-5d6f-4425-b4eb-82d25afaff08" xlink:to="loc_dei_EntityDomain_a60c9fa8-5d6f-4425-b4eb-82d25afaff08_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_c3eed175-e9c2-4db4-8a4c-b35202e57ee1" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_a60c9fa8-5d6f-4425-b4eb-82d25afaff08" xlink:to="loc_dei_EntityDomain_c3eed175-e9c2-4db4-8a4c-b35202e57ee1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CenturyCasinosMember_4afdd6b9-9050-48c5-96e9-82aea1092560" xlink:href="vici-20231231.xsd#vici_CenturyCasinosMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_c3eed175-e9c2-4db4-8a4c-b35202e57ee1" xlink:to="loc_vici_CenturyCasinosMember_4afdd6b9-9050-48c5-96e9-82aea1092560" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_9e5bcb5e-4762-49da-9bfe-452d16700e11" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0eb425f3-4dc0-4fe9-98e3-203ae017915c" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_9e5bcb5e-4762-49da-9bfe-452d16700e11" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_b1524896-1cb1-4af2-9c10-1e7e9ad16d99" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0eb425f3-4dc0-4fe9-98e3-203ae017915c" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_b1524896-1cb1-4af2-9c10-1e7e9ad16d99" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleLeasebackTransactionAnnualRentAmount_3c43579f-c7e4-4130-bb18-655deb569ef1" xlink:href="vici-20231231.xsd#vici_SaleLeasebackTransactionAnnualRentAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0eb425f3-4dc0-4fe9-98e3-203ae017915c" xlink:to="loc_vici_SaleLeasebackTransactionAnnualRentAmount_3c43579f-c7e4-4130-bb18-655deb569ef1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_105f22ee-edbe-4f61-bb44-fb9596714afd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0eb425f3-4dc0-4fe9-98e3-203ae017915c" xlink:to="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_105f22ee-edbe-4f61-bb44-fb9596714afd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_652af555-2023-4929-8677-76a38b1140f6" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0eb425f3-4dc0-4fe9-98e3-203ae017915c" xlink:to="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_652af555-2023-4929-8677-76a38b1140f6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_a65dfe3a-2909-4937-890f-b3b5960e4769" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0eb425f3-4dc0-4fe9-98e3-203ae017915c" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_a65dfe3a-2909-4937-890f-b3b5960e4769" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsRockyGapCasinoDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsRockyGapCasinoDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsRockyGapCasinoDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_adbc555f-62d0-41cc-9063-220abc6bfd3f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_8023a9f8-e901-492b-a365-3d0eb5db0827" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_adbc555f-62d0-41cc-9063-220abc6bfd3f" xlink:to="loc_us-gaap_AssetAcquisitionTable_8023a9f8-e901-492b-a365-3d0eb5db0827" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_3ace765b-7076-4941-9af6-4053d7006b26" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_8023a9f8-e901-492b-a365-3d0eb5db0827" xlink:to="loc_us-gaap_AssetAcquisitionAxis_3ace765b-7076-4941-9af6-4053d7006b26" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_3ace765b-7076-4941-9af6-4053d7006b26_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_3ace765b-7076-4941-9af6-4053d7006b26" xlink:to="loc_us-gaap_AssetAcquisitionDomain_3ace765b-7076-4941-9af6-4053d7006b26_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_45036da7-f5a4-46a9-8506-92c78339272f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_3ace765b-7076-4941-9af6-4053d7006b26" xlink:to="loc_us-gaap_AssetAcquisitionDomain_45036da7-f5a4-46a9-8506-92c78339272f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_RockyGapCasinoResortMember_4275d579-0233-498c-9d08-69e6814e5291" xlink:href="vici-20231231.xsd#vici_RockyGapCasinoResortMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_45036da7-f5a4-46a9-8506-92c78339272f" xlink:to="loc_vici_RockyGapCasinoResortMember_4275d579-0233-498c-9d08-69e6814e5291" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e135bafe-2532-43ca-a1bd-c09ee5671d87" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_8023a9f8-e901-492b-a365-3d0eb5db0827" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e135bafe-2532-43ca-a1bd-c09ee5671d87" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e135bafe-2532-43ca-a1bd-c09ee5671d87_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e135bafe-2532-43ca-a1bd-c09ee5671d87" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e135bafe-2532-43ca-a1bd-c09ee5671d87_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c24f2f1d-5ac5-4edd-9fb3-6701eacfffce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_e135bafe-2532-43ca-a1bd-c09ee5671d87" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c24f2f1d-5ac5-4edd-9fb3-6701eacfffce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandAndBuildingMember_393a2b95-6149-4049-ab09-ddc1882cc251" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LandAndBuildingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_c24f2f1d-5ac5-4edd-9fb3-6701eacfffce" xlink:to="loc_us-gaap_LandAndBuildingMember_393a2b95-6149-4049-ab09-ddc1882cc251" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_d212bb5b-5843-446f-b3f2-adfe18a602bb" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_8023a9f8-e901-492b-a365-3d0eb5db0827" xlink:to="loc_dei_LegalEntityAxis_d212bb5b-5843-446f-b3f2-adfe18a602bb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_d212bb5b-5843-446f-b3f2-adfe18a602bb_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_d212bb5b-5843-446f-b3f2-adfe18a602bb" xlink:to="loc_dei_EntityDomain_d212bb5b-5843-446f-b3f2-adfe18a602bb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_7be73103-6431-42fd-ad11-22fcd94e04a3" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_d212bb5b-5843-446f-b3f2-adfe18a602bb" xlink:to="loc_dei_EntityDomain_7be73103-6431-42fd-ad11-22fcd94e04a3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CenturyCasinosMember_5ccfa51b-ff30-4fdb-95f4-31062a740b99" xlink:href="vici-20231231.xsd#vici_CenturyCasinosMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_7be73103-6431-42fd-ad11-22fcd94e04a3" xlink:to="loc_vici_CenturyCasinosMember_5ccfa51b-ff30-4fdb-95f4-31062a740b99" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermAxis_be501681-63eb-4475-a579-3ffb9b2507a6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_8023a9f8-e901-492b-a365-3d0eb5db0827" xlink:to="loc_us-gaap_LeaseContractualTermAxis_be501681-63eb-4475-a579-3ffb9b2507a6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_be501681-63eb-4475-a579-3ffb9b2507a6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LeaseContractualTermAxis_be501681-63eb-4475-a579-3ffb9b2507a6" xlink:to="loc_us-gaap_LeaseContractualTermDomain_be501681-63eb-4475-a579-3ffb9b2507a6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_7000cb1d-860f-4001-907c-412925ac3b3d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LeaseContractualTermAxis_be501681-63eb-4475-a579-3ffb9b2507a6" xlink:to="loc_us-gaap_LeaseContractualTermDomain_7000cb1d-860f-4001-907c-412925ac3b3d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CenturyMasterLeaseMember_4bf016b2-d498-4270-b3c9-10bf93ace1f3" xlink:href="vici-20231231.xsd#vici_CenturyMasterLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_7000cb1d-860f-4001-907c-412925ac3b3d" xlink:to="loc_vici_CenturyMasterLeaseMember_4bf016b2-d498-4270-b3c9-10bf93ace1f3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_6ad7790a-7cc3-41d0-a835-62a81c827c22" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_adbc555f-62d0-41cc-9063-220abc6bfd3f" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_6ad7790a-7cc3-41d0-a835-62a81c827c22" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_91b324ed-e80c-4350-beac-c167e68b3858" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_adbc555f-62d0-41cc-9063-220abc6bfd3f" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_91b324ed-e80c-4350-beac-c167e68b3858" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_IncreaseDecreaseInAnnualRentPaymentsReceivable_b1c0bf85-9c8f-4b74-b79d-3d7e57751f5c" xlink:href="vici-20231231.xsd#vici_IncreaseDecreaseInAnnualRentPaymentsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_adbc555f-62d0-41cc-9063-220abc6bfd3f" xlink:to="loc_vici_IncreaseDecreaseInAnnualRentPaymentsReceivable_b1c0bf85-9c8f-4b74-b79d-3d7e57751f5c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_9356e66c-69ff-401a-9431-c6821467816d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_adbc555f-62d0-41cc-9063-220abc6bfd3f" xlink:to="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_9356e66c-69ff-401a-9431-c6821467816d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_27052f41-fb12-49f7-a80b-dd9d919493a3" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_adbc555f-62d0-41cc-9063-220abc6bfd3f" xlink:to="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_27052f41-fb12-49f7-a80b-dd9d919493a3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_54ff3ea5-4223-4cf5-8a93-4a78166b8735" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_adbc555f-62d0-41cc-9063-220abc6bfd3f" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_54ff3ea5-4223-4cf5-8a93-4a78166b8735" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsMGMGrandMandalayBayJVDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsMGMGrandMandalayBayJVDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsMGMGrandMandalayBayJVDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7bf60d11-813d-4cc0-8310-ea336b6bbd06" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7bf60d11-813d-4cc0-8310-ea336b6bbd06" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_b0a7bb69-3fb0-4d1b-a223-0c7f0733f679" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7bf60d11-813d-4cc0-8310-ea336b6bbd06" xlink:to="loc_us-gaap_AssetAcquisitionAxis_b0a7bb69-3fb0-4d1b-a223-0c7f0733f679" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_b0a7bb69-3fb0-4d1b-a223-0c7f0733f679_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_b0a7bb69-3fb0-4d1b-a223-0c7f0733f679" xlink:to="loc_us-gaap_AssetAcquisitionDomain_b0a7bb69-3fb0-4d1b-a223-0c7f0733f679_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_e0529c50-b8d4-4383-af2a-560e957989b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_b0a7bb69-3fb0-4d1b-a223-0c7f0733f679" xlink:to="loc_us-gaap_AssetAcquisitionDomain_e0529c50-b8d4-4383-af2a-560e957989b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_1be0568f-4f13-4a58-98e8-5b92738896de" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_e0529c50-b8d4-4383-af2a-560e957989b4" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_1be0568f-4f13-4a58-98e8-5b92738896de" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_33b9ed74-1baf-4f97-8408-9d3aed7d26f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7bf60d11-813d-4cc0-8310-ea336b6bbd06" xlink:to="loc_us-gaap_DebtInstrumentAxis_33b9ed74-1baf-4f97-8408-9d3aed7d26f0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_33b9ed74-1baf-4f97-8408-9d3aed7d26f0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_33b9ed74-1baf-4f97-8408-9d3aed7d26f0" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_33b9ed74-1baf-4f97-8408-9d3aed7d26f0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_749a2709-1d88-498b-b2bc-a1080f42680b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_33b9ed74-1baf-4f97-8408-9d3aed7d26f0" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_749a2709-1d88-498b-b2bc-a1080f42680b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayNoteDue2030Member_c6bf20f8-7054-46bb-bd55-a4d969490d6a" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayNoteDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_749a2709-1d88-498b-b2bc-a1080f42680b" xlink:to="loc_vici_MGMGrandMandalayBayNoteDue2030Member_c6bf20f8-7054-46bb-bd55-a4d969490d6a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_832fc160-ff1c-44ae-ac25-916e81612598" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7bf60d11-813d-4cc0-8310-ea336b6bbd06" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_832fc160-ff1c-44ae-ac25-916e81612598" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_832fc160-ff1c-44ae-ac25-916e81612598_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_832fc160-ff1c-44ae-ac25-916e81612598" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_832fc160-ff1c-44ae-ac25-916e81612598_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_eaa44f75-b1ea-46c0-adb8-b1c107a1bc30" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_832fc160-ff1c-44ae-ac25-916e81612598" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_eaa44f75-b1ea-46c0-adb8-b1c107a1bc30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_23d35bf2-2331-455f-b2c2-aea1d74e1523" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_eaa44f75-b1ea-46c0-adb8-b1c107a1bc30" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_23d35bf2-2331-455f-b2c2-aea1d74e1523" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermAxis_87cd5770-4a2e-438c-b1db-b292cf8ea4e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7bf60d11-813d-4cc0-8310-ea336b6bbd06" xlink:to="loc_us-gaap_LeaseContractualTermAxis_87cd5770-4a2e-438c-b1db-b292cf8ea4e0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_87cd5770-4a2e-438c-b1db-b292cf8ea4e0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LeaseContractualTermAxis_87cd5770-4a2e-438c-b1db-b292cf8ea4e0" xlink:to="loc_us-gaap_LeaseContractualTermDomain_87cd5770-4a2e-438c-b1db-b292cf8ea4e0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_d5b6c1ae-fc89-45fa-8eb7-7a3a8723dc2d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LeaseContractualTermAxis_87cd5770-4a2e-438c-b1db-b292cf8ea4e0" xlink:to="loc_us-gaap_LeaseContractualTermDomain_d5b6c1ae-fc89-45fa-8eb7-7a3a8723dc2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayLeaseMember_c32aabfc-0313-4ddc-9f6e-c0baa9181b38" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_d5b6c1ae-fc89-45fa-8eb7-7a3a8723dc2d" xlink:to="loc_vici_MGMGrandMandalayBayLeaseMember_c32aabfc-0313-4ddc-9f6e-c0baa9181b38" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_4699c3c3-f432-4e6d-8424-e83f98c6da36" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_7bf60d11-813d-4cc0-8310-ea336b6bbd06" xlink:to="loc_srt_RangeAxis_4699c3c3-f432-4e6d-8424-e83f98c6da36" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_4699c3c3-f432-4e6d-8424-e83f98c6da36_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_4699c3c3-f432-4e6d-8424-e83f98c6da36" xlink:to="loc_srt_RangeMember_4699c3c3-f432-4e6d-8424-e83f98c6da36_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_f2b4d75f-90a2-4547-b932-0e0045a38b7f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_4699c3c3-f432-4e6d-8424-e83f98c6da36" xlink:to="loc_srt_RangeMember_f2b4d75f-90a2-4547-b932-0e0045a38b7f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_9f3f4fea-96f5-4976-a416-bd9a346d597d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_f2b4d75f-90a2-4547-b932-0e0045a38b7f" xlink:to="loc_srt_MinimumMember_9f3f4fea-96f5-4976-a416-bd9a346d597d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionPercentageOfVotingInterestsAcquired_fbe00274-bfac-4727-bd54-f028eed7c3bc" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionPercentageOfVotingInterestsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_vici_AssetAcquisitionPercentageOfVotingInterestsAcquired_fbe00274-bfac-4727-bd54-f028eed7c3bc" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_895b171b-513f-4cc7-9bdc-b642c1e20b93" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_895b171b-513f-4cc7-9bdc-b642c1e20b93" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_8f8d096c-2862-4f03-9dcb-5c6a6d7f4123" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_8f8d096c-2862-4f03-9dcb-5c6a6d7f4123" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_af6edccc-3ccf-4661-89bf-8ca9af27c18f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_af6edccc-3ccf-4661-89bf-8ca9af27c18f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleLeasebackTransactionAnnualRentAmount_18c82fac-6f7c-4550-a58a-5e27e4739807" xlink:href="vici-20231231.xsd#vici_SaleLeasebackTransactionAnnualRentAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_vici_SaleLeasebackTransactionAnnualRentAmount_18c82fac-6f7c-4550-a58a-5e27e4739807" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_a32c2a04-4c4c-443a-aafd-88f16cf90abd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_a32c2a04-4c4c-443a-aafd-88f16cf90abd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_09bb2f35-b2a0-4911-912d-5ba34a005b8d" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_09bb2f35-b2a0-4911-912d-5ba34a005b8d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_5b5044f0-dfa9-414a-9ab1-74be770c6eee" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_5b5044f0-dfa9-414a-9ab1-74be770c6eee" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRatePercent_09d4be15-1420-4656-b2b2-29434f25dba5" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_vici_AnnualEscalationRatePercent_09d4be15-1420-4656-b2b2-29434f25dba5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualRentIncreaseCapPercent_bd89d795-1dc6-418f-8219-961ae37bb512" xlink:href="vici-20231231.xsd#vici_AnnualRentIncreaseCapPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_vici_AnnualRentIncreaseCapPercent_bd89d795-1dc6-418f-8219-961ae37bb512" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_c9d5779e-f039-4756-a5f6-d664ee49f06c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_c9d5779e-f039-4756-a5f6-d664ee49f06c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_8d6d8ce7-019a-439a-bf6e-3447167d0e01" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_vici_AssetAcquisitionNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_8d6d8ce7-019a-439a-bf6e-3447167d0e01" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_79b83aea-0b04-47d6-8981-1b531e823a85" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_6d4fae89-4089-4ac0-b1d0-d60494e589b3" xlink:to="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_79b83aea-0b04-47d6-8981-1b531e823a85" xlink:type="arc" order="12"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsAssetAcquisitionsDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsAssetAcquisitionsDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsAssetAcquisitionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_e8fd9572-165d-489c-b392-930c61e5fb36" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_us-gaap_AssetAcquisitionTable_e8fd9572-165d-489c-b392-930c61e5fb36" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_81e6ac5e-e11d-4743-b141-bf54e1f6a6f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_e8fd9572-165d-489c-b392-930c61e5fb36" xlink:to="loc_us-gaap_AssetAcquisitionAxis_81e6ac5e-e11d-4743-b141-bf54e1f6a6f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_81e6ac5e-e11d-4743-b141-bf54e1f6a6f6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_81e6ac5e-e11d-4743-b141-bf54e1f6a6f6" xlink:to="loc_us-gaap_AssetAcquisitionDomain_81e6ac5e-e11d-4743-b141-bf54e1f6a6f6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_9a0bd858-76f9-4184-be45-38e535226ae9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_81e6ac5e-e11d-4743-b141-bf54e1f6a6f6" xlink:to="loc_us-gaap_AssetAcquisitionDomain_9a0bd858-76f9-4184-be45-38e535226ae9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_2151c0df-576e-4d7c-ad86-f06c84f0486a" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_9a0bd858-76f9-4184-be45-38e535226ae9" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_2151c0df-576e-4d7c-ad86-f06c84f0486a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1083096b-9d9a-4c9b-9015-43ef930587d2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_e8fd9572-165d-489c-b392-930c61e5fb36" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1083096b-9d9a-4c9b-9015-43ef930587d2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_1083096b-9d9a-4c9b-9015-43ef930587d2_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1083096b-9d9a-4c9b-9015-43ef930587d2" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_1083096b-9d9a-4c9b-9015-43ef930587d2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_39026af2-01c2-44c4-bdc6-536f3c9ee9d5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1083096b-9d9a-4c9b-9015-43ef930587d2" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_39026af2-01c2-44c4-bdc6-536f3c9ee9d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_48fc37a8-a03e-4da7-90c7-0d832e10cb5c" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_39026af2-01c2-44c4-bdc6-536f3c9ee9d5" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_48fc37a8-a03e-4da7-90c7-0d832e10cb5c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_bf9a1142-0c14-4bbe-b1a6-ade642d392d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_bf9a1142-0c14-4bbe-b1a6-ade642d392d2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_4adff561-b1cb-43c0-8306-6654d19f573d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_4adff561-b1cb-43c0-8306-6654d19f573d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_d3173f02-edf4-4d1e-baaa-faed4a9bcca9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_d3173f02-edf4-4d1e-baaa-faed4a9bcca9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferredTransactionCost_b2e23215-a7c1-43de-bb9d-2b86890a4e09" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferredTransactionCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferredTransactionCost_b2e23215-a7c1-43de-bb9d-2b86890a4e09" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_1f0d9988-2d6d-44ff-a21f-7e39bfccd34e" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_vici_AssetAcquisitionNetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_1f0d9988-2d6d-44ff-a21f-7e39bfccd34e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionCashAndCashEquivalents_7d0be91a-1f63-4748-8a0b-f1079f1f76e9" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_vici_AssetAcquisitionCashAndCashEquivalents_7d0be91a-1f63-4748-8a0b-f1079f1f76e9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionLongTermDebt_45fdce85-6ff2-4bc0-b807-fff09db992a5" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_vici_AssetAcquisitionLongTermDebt_45fdce85-6ff2-4bc0-b807-fff09db992a5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionAccruedLiabilities_a3c5b30e-456a-4016-96dc-4227a795026a" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionAccruedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_vici_AssetAcquisitionAccruedLiabilities_a3c5b30e-456a-4016-96dc-4227a795026a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_0d4c35d6-7c64-4541-bf6d-4b6a6c18a1d3" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_vici_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_0d4c35d6-7c64-4541-bf6d-4b6a6c18a1d3" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionLongTermDebtGross_2f5d9717-f2cd-4f48-9dd5-f46358338dd2" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionLongTermDebtGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_vici_AssetAcquisitionLongTermDebtGross_2f5d9717-f2cd-4f48-9dd5-f46358338dd2" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionLongTermDebtDebtDiscount_ae5b6d79-5d3f-471b-9d4e-716c1bb5472b" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionLongTermDebtDebtDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_67843a5e-d7c7-4843-b093-0c4436006a6e" xlink:to="loc_vici_AssetAcquisitionLongTermDebtDebtDiscount_ae5b6d79-5d3f-471b-9d4e-716c1bb5472b" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsPURECanadianGamingTransactionDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsPURECanadianGamingTransactionDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsPURECanadianGamingTransactionDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ff8b25c-be7b-45d6-af1f-817d9d4d2977" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ff8b25c-be7b-45d6-af1f-817d9d4d2977" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_9425027e-7cdc-48c6-ad27-b089f2b9c7e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ff8b25c-be7b-45d6-af1f-817d9d4d2977" xlink:to="loc_us-gaap_AssetAcquisitionAxis_9425027e-7cdc-48c6-ad27-b089f2b9c7e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_9425027e-7cdc-48c6-ad27-b089f2b9c7e0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_9425027e-7cdc-48c6-ad27-b089f2b9c7e0" xlink:to="loc_us-gaap_AssetAcquisitionDomain_9425027e-7cdc-48c6-ad27-b089f2b9c7e0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_a2fbb849-eee0-45ea-96b2-232b095b1f2b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_9425027e-7cdc-48c6-ad27-b089f2b9c7e0" xlink:to="loc_us-gaap_AssetAcquisitionDomain_a2fbb849-eee0-45ea-96b2-232b095b1f2b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PUREPortfolioAssetsMember_dae485da-0bc0-4164-9136-fa34346593af" xlink:href="vici-20231231.xsd#vici_PUREPortfolioAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_a2fbb849-eee0-45ea-96b2-232b095b1f2b" xlink:to="loc_vici_PUREPortfolioAssetsMember_dae485da-0bc0-4164-9136-fa34346593af" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermAxis_4fbf5fe0-eb8e-47e1-91da-f73b60be78cd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ff8b25c-be7b-45d6-af1f-817d9d4d2977" xlink:to="loc_us-gaap_LeaseContractualTermAxis_4fbf5fe0-eb8e-47e1-91da-f73b60be78cd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_4fbf5fe0-eb8e-47e1-91da-f73b60be78cd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LeaseContractualTermAxis_4fbf5fe0-eb8e-47e1-91da-f73b60be78cd" xlink:to="loc_us-gaap_LeaseContractualTermDomain_4fbf5fe0-eb8e-47e1-91da-f73b60be78cd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_695bdc81-95fa-4a67-9a4c-a7550d988c2a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LeaseContractualTermAxis_4fbf5fe0-eb8e-47e1-91da-f73b60be78cd" xlink:to="loc_us-gaap_LeaseContractualTermDomain_695bdc81-95fa-4a67-9a4c-a7550d988c2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PUREMasterLeaseMember_5e6ca8c0-2789-4349-811a-3b5a99d561ea" xlink:href="vici-20231231.xsd#vici_PUREMasterLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_695bdc81-95fa-4a67-9a4c-a7550d988c2a" xlink:to="loc_vici_PUREMasterLeaseMember_5e6ca8c0-2789-4349-811a-3b5a99d561ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_603fd43a-ce9e-49b8-aa81-e2e88982439c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_9ff8b25c-be7b-45d6-af1f-817d9d4d2977" xlink:to="loc_srt_RangeAxis_603fd43a-ce9e-49b8-aa81-e2e88982439c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_603fd43a-ce9e-49b8-aa81-e2e88982439c_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_603fd43a-ce9e-49b8-aa81-e2e88982439c" xlink:to="loc_srt_RangeMember_603fd43a-ce9e-49b8-aa81-e2e88982439c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d7830901-9237-4ae1-8ab1-0910f9b913d6" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_603fd43a-ce9e-49b8-aa81-e2e88982439c" xlink:to="loc_srt_RangeMember_d7830901-9237-4ae1-8ab1-0910f9b913d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_eea1d16d-bda0-4d32-a175-afb9c862e734" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_d7830901-9237-4ae1-8ab1-0910f9b913d6" xlink:to="loc_srt_MinimumMember_eea1d16d-bda0-4d32-a175-afb9c862e734" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_016963c7-50cc-413c-b90f-5cab2d7525e5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_d7830901-9237-4ae1-8ab1-0910f9b913d6" xlink:to="loc_srt_MaximumMember_016963c7-50cc-413c-b90f-5cab2d7525e5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_8fcd11c4-0361-4cd8-a5ea-2ed454ab2275" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_8fcd11c4-0361-4cd8-a5ea-2ed454ab2275" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_c7394319-533a-493f-8451-4e48391e39b7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_c7394319-533a-493f-8451-4e48391e39b7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleLeasebackTransactionAnnualRentAmount_8009d8d7-2d9d-4afc-940f-8dafc4e5eb3c" xlink:href="vici-20231231.xsd#vici_SaleLeasebackTransactionAnnualRentAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:to="loc_vici_SaleLeasebackTransactionAnnualRentAmount_8009d8d7-2d9d-4afc-940f-8dafc4e5eb3c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_433c9adc-a0c3-4568-9bce-8e06448c0869" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:to="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_433c9adc-a0c3-4568-9bce-8e06448c0869" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_f3ee21eb-01d3-45cd-829f-3763539fa873" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:to="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_f3ee21eb-01d3-45cd-829f-3763539fa873" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_f9c4c95f-4736-4537-b56f-6e94967d50d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_f9c4c95f-4736-4537-b56f-6e94967d50d8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRatePercent_d96fea34-be02-4a0c-bcfc-b25d85e94722" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:to="loc_vici_AnnualEscalationRatePercent_d96fea34-be02-4a0c-bcfc-b25d85e94722" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PercentageOfNetRevenueOfYearlyMinimumExpenditure_b8148c7f-8921-4ecf-b648-1bbad99d7570" xlink:href="vici-20231231.xsd#vici_PercentageOfNetRevenueOfYearlyMinimumExpenditure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_7b909474-c88d-4aa5-a1dc-d5a4eae88649" xlink:to="loc_vici_PercentageOfNetRevenueOfYearlyMinimumExpenditure_b8148c7f-8921-4ecf-b648-1bbad99d7570" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsRecentLeasingActivityDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsRecentLeasingActivityDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsRecentLeasingActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_453d8ca3-d846-43e2-8f86-f29c340906fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:to="loc_us-gaap_AssetAcquisitionTable_453d8ca3-d846-43e2-8f86-f29c340906fc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b501c555-01c2-42b9-8010-e9025e4af08c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_453d8ca3-d846-43e2-8f86-f29c340906fc" xlink:to="loc_srt_RangeAxis_b501c555-01c2-42b9-8010-e9025e4af08c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b501c555-01c2-42b9-8010-e9025e4af08c_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_b501c555-01c2-42b9-8010-e9025e4af08c" xlink:to="loc_srt_RangeMember_b501c555-01c2-42b9-8010-e9025e4af08c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_42dc3731-a563-407f-9c8b-9eebcce62485" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_b501c555-01c2-42b9-8010-e9025e4af08c" xlink:to="loc_srt_RangeMember_42dc3731-a563-407f-9c8b-9eebcce62485" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_d48c84e4-12d2-46cf-acb7-5a802ffd6a4b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_42dc3731-a563-407f-9c8b-9eebcce62485" xlink:to="loc_srt_MaximumMember_d48c84e4-12d2-46cf-acb7-5a802ffd6a4b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_c55e1c03-5866-4c1c-9576-364bbab6c737" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_42dc3731-a563-407f-9c8b-9eebcce62485" xlink:to="loc_srt_MinimumMember_c55e1c03-5866-4c1c-9576-364bbab6c737" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermAxis_a65f838a-2e63-45cf-8467-527c730e6792" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_453d8ca3-d846-43e2-8f86-f29c340906fc" xlink:to="loc_us-gaap_LeaseContractualTermAxis_a65f838a-2e63-45cf-8467-527c730e6792" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_a65f838a-2e63-45cf-8467-527c730e6792_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LeaseContractualTermAxis_a65f838a-2e63-45cf-8467-527c730e6792" xlink:to="loc_us-gaap_LeaseContractualTermDomain_a65f838a-2e63-45cf-8467-527c730e6792_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_c1602460-1c29-4ae6-a679-e0663a27e7c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LeaseContractualTermAxis_a65f838a-2e63-45cf-8467-527c730e6792" xlink:to="loc_us-gaap_LeaseContractualTermDomain_c1602460-1c29-4ae6-a679-e0663a27e7c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMMasterLeaseMember_abf50c07-d846-4141-9662-d7ed0e9fb217" xlink:href="vici-20231231.xsd#vici_MGMMasterLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_c1602460-1c29-4ae6-a679-e0663a27e7c6" xlink:to="loc_vici_MGMMasterLeaseMember_abf50c07-d846-4141-9662-d7ed0e9fb217" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_GoldStrikeLeaseMember_359734f6-df2d-4ba0-8233-2141b6d5450a" xlink:href="vici-20231231.xsd#vici_GoldStrikeLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_c1602460-1c29-4ae6-a679-e0663a27e7c6" xlink:to="loc_vici_GoldStrikeLeaseMember_359734f6-df2d-4ba0-8233-2141b6d5450a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_IncreaseDecreaseInAnnualRentPaymentsReceivable_731bd4a2-6685-49f0-9ce8-4611641651ed" xlink:href="vici-20231231.xsd#vici_IncreaseDecreaseInAnnualRentPaymentsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:to="loc_vici_IncreaseDecreaseInAnnualRentPaymentsReceivable_731bd4a2-6685-49f0-9ce8-4611641651ed" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleLeasebackTransactionAnnualRentAmount_5b845ea0-7a48-4eca-88e7-f65431bf0c96" xlink:href="vici-20231231.xsd#vici_SaleLeasebackTransactionAnnualRentAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:to="loc_vici_SaleLeasebackTransactionAnnualRentAmount_5b845ea0-7a48-4eca-88e7-f65431bf0c96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_c44f0f84-bab7-4add-88b6-14d8ac5909c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:to="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_c44f0f84-bab7-4add-88b6-14d8ac5909c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_4d383c66-e69c-4419-bd7e-43a309c826fb" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:to="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_4d383c66-e69c-4419-bd7e-43a309c826fb" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_c877ad85-5ac6-4a9c-bd38-933c853ed7ba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_c877ad85-5ac6-4a9c-bd38-933c853ed7ba" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRatePercent_7ecf3940-2338-4689-9e4f-1d7c4dcce3e9" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:to="loc_vici_AnnualEscalationRatePercent_7ecf3940-2338-4689-9e4f-1d7c4dcce3e9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualRentIncreaseCapPercent_8f620006-0b40-4133-8944-1ed40146554b" xlink:href="vici-20231231.xsd#vici_AnnualRentIncreaseCapPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:to="loc_vici_AnnualRentIncreaseCapPercent_8f620006-0b40-4133-8944-1ed40146554b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PercentageOfNetRevenueOfYearlyMinimumExpenditure_dda159b4-d3ee-4ed1-8a3c-923af2073f4a" xlink:href="vici-20231231.xsd#vici_PercentageOfNetRevenueOfYearlyMinimumExpenditure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_952977bb-07b6-4ac0-af2d-3043b36479a4" xlink:to="loc_vici_PercentageOfNetRevenueOfYearlyMinimumExpenditure_dda159b4-d3ee-4ed1-8a3c-923af2073f4a" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsScheduleofLoanOriginationsDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsScheduleofLoanOriginationsDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsScheduleofLoanOriginationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_fe697d02-76ca-412b-85d7-2bd196079d9e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_11464f9d-8e80-4821-aef1-96f98061c9fa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_fe697d02-76ca-412b-85d7-2bd196079d9e" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_11464f9d-8e80-4821-aef1-96f98061c9fa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoanPortfolioAxis_9181977d-c5b7-49ef-8fbd-aac7cd4a1ded" xlink:href="vici-20231231.xsd#vici_LoanPortfolioAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_11464f9d-8e80-4821-aef1-96f98061c9fa" xlink:to="loc_vici_LoanPortfolioAxis_9181977d-c5b7-49ef-8fbd-aac7cd4a1ded" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoanPortfolioDomain_9181977d-c5b7-49ef-8fbd-aac7cd4a1ded_default" xlink:href="vici-20231231.xsd#vici_LoanPortfolioDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_vici_LoanPortfolioAxis_9181977d-c5b7-49ef-8fbd-aac7cd4a1ded" xlink:to="loc_vici_LoanPortfolioDomain_9181977d-c5b7-49ef-8fbd-aac7cd4a1ded_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoanPortfolioDomain_2d159cb9-5593-4d17-b8a3-9ee48e3696ac" xlink:href="vici-20231231.xsd#vici_LoanPortfolioDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_vici_LoanPortfolioAxis_9181977d-c5b7-49ef-8fbd-aac7cd4a1ded" xlink:to="loc_vici_LoanPortfolioDomain_2d159cb9-5593-4d17-b8a3-9ee48e3696ac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_A2023LoanOriginationsMember_36f69329-cc60-45f4-898c-d9d50ed88633" xlink:href="vici-20231231.xsd#vici_A2023LoanOriginationsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LoanPortfolioDomain_2d159cb9-5593-4d17-b8a3-9ee48e3696ac" xlink:to="loc_vici_A2023LoanOriginationsMember_36f69329-cc60-45f4-898c-d9d50ed88633" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_KalahariVirginiaLoanMember_c8b437d3-ca43-4d8b-83bb-d825767ac5ea" xlink:href="vici-20231231.xsd#vici_KalahariVirginiaLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_A2023LoanOriginationsMember_36f69329-cc60-45f4-898c-d9d50ed88633" xlink:to="loc_vici_KalahariVirginiaLoanMember_c8b437d3-ca43-4d8b-83bb-d825767ac5ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CanyonRanchLoanMember_1968cbff-d110-44a9-8d10-1e0bda52d4a3" xlink:href="vici-20231231.xsd#vici_CanyonRanchLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_A2023LoanOriginationsMember_36f69329-cc60-45f4-898c-d9d50ed88633" xlink:to="loc_vici_CanyonRanchLoanMember_1968cbff-d110-44a9-8d10-1e0bda52d4a3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CanyonRanchLenoxAndTucsonLoanMember_aac5d962-9bc0-429c-b65e-b7362182a86d" xlink:href="vici-20231231.xsd#vici_CanyonRanchLenoxAndTucsonLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_A2023LoanOriginationsMember_36f69329-cc60-45f4-898c-d9d50ed88633" xlink:to="loc_vici_CanyonRanchLenoxAndTucsonLoanMember_aac5d962-9bc0-429c-b65e-b7362182a86d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CabotStLuciaLoanMember_66655340-062e-4475-90bd-6332b3c1006e" xlink:href="vici-20231231.xsd#vici_CabotStLuciaLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_A2023LoanOriginationsMember_36f69329-cc60-45f4-898c-d9d50ed88633" xlink:to="loc_vici_CabotStLuciaLoanMember_66655340-062e-4475-90bd-6332b3c1006e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_HardRockOttawaNotesMember_57a90b9e-7a2e-4a17-949c-527f146780b3" xlink:href="vici-20231231.xsd#vici_HardRockOttawaNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_A2023LoanOriginationsMember_36f69329-cc60-45f4-898c-d9d50ed88633" xlink:to="loc_vici_HardRockOttawaNotesMember_57a90b9e-7a2e-4a17-949c-527f146780b3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CabotHighlandsLoanMember_2ab030e8-1e52-4567-969a-425d7dc88d71" xlink:href="vici-20231231.xsd#vici_CabotHighlandsLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_A2023LoanOriginationsMember_36f69329-cc60-45f4-898c-d9d50ed88633" xlink:to="loc_vici_CabotHighlandsLoanMember_2ab030e8-1e52-4567-969a-425d7dc88d71" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoanPortfolioMaximumInvestmentAmount_b330fdd3-0164-49ec-8282-ab21b9d078b3" xlink:href="vici-20231231.xsd#vici_LoanPortfolioMaximumInvestmentAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_fe697d02-76ca-412b-85d7-2bd196079d9e" xlink:to="loc_vici_LoanPortfolioMaximumInvestmentAmount_b330fdd3-0164-49ec-8282-ab21b9d078b3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsSignificant2022TransactionsNarrativeDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsSignificant2022TransactionsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsSignificant2022TransactionsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_422e7f72-41b2-4235-b721-310fa6b60db3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_us-gaap_AssetAcquisitionTable_422e7f72-41b2-4235-b721-310fa6b60db3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_f3c671c5-6784-4966-8d35-c0acc1b16b97" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_422e7f72-41b2-4235-b721-310fa6b60db3" xlink:to="loc_us-gaap_AssetAcquisitionAxis_f3c671c5-6784-4966-8d35-c0acc1b16b97" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_f3c671c5-6784-4966-8d35-c0acc1b16b97_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_f3c671c5-6784-4966-8d35-c0acc1b16b97" xlink:to="loc_us-gaap_AssetAcquisitionDomain_f3c671c5-6784-4966-8d35-c0acc1b16b97_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_57c820d6-10df-405c-bf60-553c0ce6daa1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_f3c671c5-6784-4966-8d35-c0acc1b16b97" xlink:to="loc_us-gaap_AssetAcquisitionDomain_57c820d6-10df-405c-bf60-553c0ce6daa1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPMember_4940c5a0-31c9-49a9-aca7-1d7fe21b3c5f" xlink:href="vici-20231231.xsd#vici_MGPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_57c820d6-10df-405c-bf60-553c0ce6daa1" xlink:to="loc_vici_MGPMember_4940c5a0-31c9-49a9-aca7-1d7fe21b3c5f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_a2323d77-4bea-4cf0-b24b-2ee6d8d2e1e1" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_57c820d6-10df-405c-bf60-553c0ce6daa1" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_a2323d77-4bea-4cf0-b24b-2ee6d8d2e1e1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_ed9d1ac0-2e31-4d45-b1c5-fde71a959f16" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_422e7f72-41b2-4235-b721-310fa6b60db3" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_ed9d1ac0-2e31-4d45-b1c5-fde71a959f16" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_ed9d1ac0-2e31-4d45-b1c5-fde71a959f16_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_ed9d1ac0-2e31-4d45-b1c5-fde71a959f16" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_ed9d1ac0-2e31-4d45-b1c5-fde71a959f16_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_95ae6455-129e-4445-86d4-1a112dc07186" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_ed9d1ac0-2e31-4d45-b1c5-fde71a959f16" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_95ae6455-129e-4445-86d4-1a112dc07186" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_BREITJVMember_9ad36f02-6bfd-413b-aa36-93d74a78d2ff" xlink:href="vici-20231231.xsd#vici_BREITJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_95ae6455-129e-4445-86d4-1a112dc07186" xlink:to="loc_vici_BREITJVMember_9ad36f02-6bfd-413b-aa36-93d74a78d2ff" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermAxis_0e965eb2-6d3a-4203-ae4d-bea0c86ddb39" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_422e7f72-41b2-4235-b721-310fa6b60db3" xlink:to="loc_us-gaap_LeaseContractualTermAxis_0e965eb2-6d3a-4203-ae4d-bea0c86ddb39" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_0e965eb2-6d3a-4203-ae4d-bea0c86ddb39_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LeaseContractualTermAxis_0e965eb2-6d3a-4203-ae4d-bea0c86ddb39" xlink:to="loc_us-gaap_LeaseContractualTermDomain_0e965eb2-6d3a-4203-ae4d-bea0c86ddb39_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_a509f540-cb6f-4f0a-a260-28acfce481ee" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LeaseContractualTermAxis_0e965eb2-6d3a-4203-ae4d-bea0c86ddb39" xlink:to="loc_us-gaap_LeaseContractualTermDomain_a509f540-cb6f-4f0a-a260-28acfce481ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMMasterLeaseAgreementAndBREITJVLeaseAgreementMember_5d41ee62-c020-4e19-944e-7cc2b3295d6f" xlink:href="vici-20231231.xsd#vici_MGMMasterLeaseAgreementAndBREITJVLeaseAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_a509f540-cb6f-4f0a-a260-28acfce481ee" xlink:to="loc_vici_MGMMasterLeaseAgreementAndBREITJVLeaseAgreementMember_5d41ee62-c020-4e19-944e-7cc2b3295d6f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMMasterLeaseMember_28ea4088-8717-4baf-bb09-06d071cace00" xlink:href="vici-20231231.xsd#vici_MGMMasterLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_a509f540-cb6f-4f0a-a260-28acfce481ee" xlink:to="loc_vici_MGMMasterLeaseMember_28ea4088-8717-4baf-bb09-06d071cace00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayLeaseMember_c69522c4-4a04-4b39-939a-f7b07a85b5a4" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_a509f540-cb6f-4f0a-a260-28acfce481ee" xlink:to="loc_vici_MGMGrandMandalayBayLeaseMember_c69522c4-4a04-4b39-939a-f7b07a85b5a4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_ee7cb3d1-2f0f-4f85-892a-09bdbfb0e991" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_422e7f72-41b2-4235-b721-310fa6b60db3" xlink:to="loc_srt_RangeAxis_ee7cb3d1-2f0f-4f85-892a-09bdbfb0e991" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ee7cb3d1-2f0f-4f85-892a-09bdbfb0e991_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_ee7cb3d1-2f0f-4f85-892a-09bdbfb0e991" xlink:to="loc_srt_RangeMember_ee7cb3d1-2f0f-4f85-892a-09bdbfb0e991_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_78932f8b-ca6f-459f-ac51-2044ee90a6aa" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_ee7cb3d1-2f0f-4f85-892a-09bdbfb0e991" xlink:to="loc_srt_RangeMember_78932f8b-ca6f-459f-ac51-2044ee90a6aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_0b6c8da4-41fe-4536-b343-706f9dea910b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_78932f8b-ca6f-459f-ac51-2044ee90a6aa" xlink:to="loc_srt_MaximumMember_0b6c8da4-41fe-4536-b343-706f9dea910b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_02ed12db-b7ba-4369-8679-2186c99f8f1f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_78932f8b-ca6f-459f-ac51-2044ee90a6aa" xlink:to="loc_srt_MinimumMember_02ed12db-b7ba-4369-8679-2186c99f8f1f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember_b79b8552-5de1-44e3-8e79-2d1ec47c6ce5" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_WeightedAverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_78932f8b-ca6f-459f-ac51-2044ee90a6aa" xlink:to="loc_srt_WeightedAverageMember_b79b8552-5de1-44e3-8e79-2d1ec47c6ce5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_9e0b1c72-b9c6-4d45-8d39-6462702d2116" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_422e7f72-41b2-4235-b721-310fa6b60db3" xlink:to="loc_us-gaap_DebtInstrumentAxis_9e0b1c72-b9c6-4d45-8d39-6462702d2116" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_9e0b1c72-b9c6-4d45-8d39-6462702d2116_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_9e0b1c72-b9c6-4d45-8d39-6462702d2116" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_9e0b1c72-b9c6-4d45-8d39-6462702d2116_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6a438a90-9cd2-4d4a-a791-28135bda6eaa" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_9e0b1c72-b9c6-4d45-8d39-6462702d2116" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6a438a90-9cd2-4d4a-a791-28135bda6eaa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayNoteDue2030Member_ac6929b2-60a9-465d-8881-a75f70adb8e9" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayNoteDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6a438a90-9cd2-4d4a-a791-28135bda6eaa" xlink:to="loc_vici_MGMGrandMandalayBayNoteDue2030Member_ac6929b2-60a9-465d-8881-a75f70adb8e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_394c1d09-c585-4c05-8612-95a55da56929" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_394c1d09-c585-4c05-8612-95a55da56929" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_69e96c97-b759-4d9f-a0a8-1cf314f347bf" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_69e96c97-b759-4d9f-a0a8-1cf314f347bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_4ad1dc80-d0b0-4a6e-b71b-7c6d5b7f7cd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_4ad1dc80-d0b0-4a6e-b71b-7c6d5b7f7cd7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleLeasebackTransactionAnnualRentAmount_78a8e3c1-4e96-4c63-82df-1621631ab9b8" xlink:href="vici-20231231.xsd#vici_SaleLeasebackTransactionAnnualRentAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_SaleLeasebackTransactionAnnualRentAmount_78a8e3c1-4e96-4c63-82df-1621631ab9b8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_84d60dcf-717c-4cd3-a6ec-0d694176410a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_84d60dcf-717c-4cd3-a6ec-0d694176410a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NumberOfRegionsInWhichEntityOperates_ce11fe46-3e96-4ad2-ba8e-aaa2d9e76d86" xlink:href="vici-20231231.xsd#vici_NumberOfRegionsInWhichEntityOperates"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_NumberOfRegionsInWhichEntityOperates_ce11fe46-3e96-4ad2-ba8e-aaa2d9e76d86" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NumberOfHotelRooms_b93c7f2a-b41b-450d-ae98-f2853b565e79" xlink:href="vici-20231231.xsd#vici_NumberOfHotelRooms"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_NumberOfHotelRooms_b93c7f2a-b41b-450d-ae98-f2853b565e79" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AreaOfRealEstateProperty_72e012cc-71d4-4246-8738-06c7d5eb8178" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AreaOfRealEstateProperty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_us-gaap_AreaOfRealEstateProperty_72e012cc-71d4-4246-8738-06c7d5eb8178" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare_b7c2aa60-8f09-4284-8290-daeeb63ff872" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare_b7c2aa60-8f09-4284-8290-daeeb63ff872" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionSharePrice_603ce777-9bd1-4bff-97fa-377666ff1690" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionSharePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_AssetAcquisitionSharePrice_603ce777-9bd1-4bff-97fa-377666ff1690" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionPeriodOfVolumeOfWeightedAveragePrice_f90b4be6-bfc0-4ee2-a67f-0cc968027c18" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionPeriodOfVolumeOfWeightedAveragePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_AssetAcquisitionPeriodOfVolumeOfWeightedAveragePrice_f90b4be6-bfc0-4ee2-a67f-0cc968027c18" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_adf8d175-52ad-41b7-b000-8c3f8640bab6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_adf8d175-52ad-41b7-b000-8c3f8640bab6" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredNoncontrollingInterestsNumberOfUnits_5543b20c-1006-4497-a095-398e730e1d76" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredNoncontrollingInterestsNumberOfUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredNoncontrollingInterestsNumberOfUnits_5543b20c-1006-4497-a095-398e730e1d76" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_3b6c974f-0152-4641-a03b-83fe6c5d9792" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_us-gaap_LessorSalesTypeLeaseTermOfContract1_3b6c974f-0152-4641-a03b-83fe6c5d9792" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_81392131-144f-4715-a720-59efde9444aa" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_LessorLeasingArrangementsSalesTypeLeasesNumberOfRenewalOptions_81392131-144f-4715-a720-59efde9444aa" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_55609499-18ae-4e0c-bbf8-fd4e184c11d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_55609499-18ae-4e0c-bbf8-fd4e184c11d0" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRatePercent_dc1ce90f-a5dd-44e5-b668-d319e84defa2" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_AnnualEscalationRatePercent_dc1ce90f-a5dd-44e5-b668-d319e84defa2" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRatePeriod_748b65f3-af9c-4d91-b63e-9a497541f7e1" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRatePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_AnnualEscalationRatePeriod_748b65f3-af9c-4d91-b63e-9a497541f7e1" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualRentIncreaseCapPercent_8b4b3c4e-63f6-4d52-8b99-f4d6a49a70df" xlink:href="vici-20231231.xsd#vici_AnnualRentIncreaseCapPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_AnnualRentIncreaseCapPercent_8b4b3c4e-63f6-4d52-8b99-f4d6a49a70df" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_IncreaseDecreaseInAnnualRentPaymentsReceivable_26fcc638-feab-4ae2-ad08-0e4679927c72" xlink:href="vici-20231231.xsd#vici_IncreaseDecreaseInAnnualRentPaymentsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_IncreaseDecreaseInAnnualRentPaymentsReceivable_26fcc638-feab-4ae2-ad08-0e4679927c72" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionPercentageOfVotingInterestsAcquired_a4d84249-155b-4415-956f-cafe99e05b21" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionPercentageOfVotingInterestsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_848816db-c22c-4f63-aac4-ef60fcaf2224" xlink:to="loc_vici_AssetAcquisitionPercentageOfVotingInterestsAcquired_a4d84249-155b-4415-956f-cafe99e05b21" xlink:type="arc" order="20"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstateTransactionsScheduleofSignificant2022TransactionsDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstateTransactionsScheduleofSignificant2022TransactionsDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstateTransactionsScheduleofSignificant2022TransactionsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionTable_c04c3d5f-e339-4cd7-8c8c-6818ca96d7b7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_us-gaap_AssetAcquisitionTable_c04c3d5f-e339-4cd7-8c8c-6818ca96d7b7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_9e580739-69a6-4fd1-a41c-3b60e493dcdc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_c04c3d5f-e339-4cd7-8c8c-6818ca96d7b7" xlink:to="loc_us-gaap_AssetAcquisitionAxis_9e580739-69a6-4fd1-a41c-3b60e493dcdc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_9e580739-69a6-4fd1-a41c-3b60e493dcdc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_9e580739-69a6-4fd1-a41c-3b60e493dcdc" xlink:to="loc_us-gaap_AssetAcquisitionDomain_9e580739-69a6-4fd1-a41c-3b60e493dcdc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_29294db8-d127-4f4b-8f2f-229d325a5b22" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_9e580739-69a6-4fd1-a41c-3b60e493dcdc" xlink:to="loc_us-gaap_AssetAcquisitionDomain_29294db8-d127-4f4b-8f2f-229d325a5b22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPMember_93a3fc2d-d4ba-4403-9a92-99f3e2f13407" xlink:href="vici-20231231.xsd#vici_MGPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_29294db8-d127-4f4b-8f2f-229d325a5b22" xlink:to="loc_vici_MGPMember_93a3fc2d-d4ba-4403-9a92-99f3e2f13407" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_6a923123-82c8-45f4-924e-90176a5c8eb0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_c04c3d5f-e339-4cd7-8c8c-6818ca96d7b7" xlink:to="loc_us-gaap_DebtInstrumentAxis_6a923123-82c8-45f4-924e-90176a5c8eb0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6a923123-82c8-45f4-924e-90176a5c8eb0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_6a923123-82c8-45f4-924e-90176a5c8eb0" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6a923123-82c8-45f4-924e-90176a5c8eb0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c8867131-ba21-4302-a489-5e9e93352c62" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_6a923123-82c8-45f4-924e-90176a5c8eb0" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c8867131-ba21-4302-a489-5e9e93352c62" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPOPNotesAndExchangeNotesMember_5d67f25c-5678-45d5-b81c-0a88faf4a3f3" xlink:href="vici-20231231.xsd#vici_MGPOPNotesAndExchangeNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_c8867131-ba21-4302-a489-5e9e93352c62" xlink:to="loc_vici_MGPOPNotesAndExchangeNotesMember_5d67f25c-5678-45d5-b81c-0a88faf4a3f3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_BREITCMBSDebtMember_4045fe3b-9bfc-4f3e-89e2-b37318402fe4" xlink:href="vici-20231231.xsd#vici_BREITCMBSDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_c8867131-ba21-4302-a489-5e9e93352c62" xlink:to="loc_vici_BREITCMBSDebtMember_4045fe3b-9bfc-4f3e-89e2-b37318402fe4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_34c24488-2371-4b4a-813f-8d4fcced3a75" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AssetAcquisitionTable_c04c3d5f-e339-4cd7-8c8c-6818ca96d7b7" xlink:to="loc_srt_RangeAxis_34c24488-2371-4b4a-813f-8d4fcced3a75" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_34c24488-2371-4b4a-813f-8d4fcced3a75_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_34c24488-2371-4b4a-813f-8d4fcced3a75" xlink:to="loc_srt_RangeMember_34c24488-2371-4b4a-813f-8d4fcced3a75_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_16be93f1-d489-40d9-b28a-023c35a61941" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_34c24488-2371-4b4a-813f-8d4fcced3a75" xlink:to="loc_srt_RangeMember_16be93f1-d489-40d9-b28a-023c35a61941" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_14752f92-c41e-4cc2-ae2e-67bdef45bbda" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_16be93f1-d489-40d9-b28a-023c35a61941" xlink:to="loc_srt_MinimumMember_14752f92-c41e-4cc2-ae2e-67bdef45bbda" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_aa053065-f8d9-43d3-a80b-cd12d4973036" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_16be93f1-d489-40d9-b28a-023c35a61941" xlink:to="loc_srt_MaximumMember_aa053065-f8d9-43d3-a80b-cd12d4973036" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember_66ae22ca-cf92-4378-9964-81c6bacb68cc" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_WeightedAverageMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_16be93f1-d489-40d9-b28a-023c35a61941" xlink:to="loc_srt_WeightedAverageMember_66ae22ca-cf92-4378-9964-81c6bacb68cc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionCommonStockSharesOutstanding_217d2865-3602-4b0d-84f1-69b9bc198b2f" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionCommonStockSharesOutstanding_217d2865-3602-4b0d-84f1-69b9bc198b2f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare_4d10a72e-ee4d-4c5e-9a8c-d23a0c7adfbd" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestsIssuedAndIssuableEntitySharesIssuedPerAcquireeShare_4d10a72e-ee4d-4c5e-9a8c-d23a0c7adfbd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfSharesExcludingFractionalShares_bb33e229-733a-4749-8cae-92f14560a642" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfSharesExcludingFractionalShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfSharesExcludingFractionalShares_bb33e229-733a-4749-8cae-92f14560a642" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfSharesForShareBasedCompensationArrangement_e64f4b26-7619-42dd-8b41-3e4471249b88" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfSharesForShareBasedCompensationArrangement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfSharesForShareBasedCompensationArrangement_e64f4b26-7619-42dd-8b41-3e4471249b88" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_e54104bd-6c8c-4fc1-a303-b00c5fea21a7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_e54104bd-6c8c-4fc1-a303-b00c5fea21a7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfFractionalShares_f4fb1e51-b98d-4317-b261-2ef4c8ce8bf9" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfFractionalShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfFractionalShares_f4fb1e51-b98d-4317-b261-2ef4c8ce8bf9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferred_91eca63e-fb0f-4c6f-bebc-92b13fcdc537" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferred_91eca63e-fb0f-4c6f-bebc-92b13fcdc537" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_a6cfc13f-83a3-4ea5-8c9d-f53a52f3f163" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuable_a6cfc13f-83a3-4ea5-8c9d-f53a52f3f163" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredRedemptionPayment_01250f0f-a8f9-4e8d-936f-fbf33ba57a3c" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredRedemptionPayment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredRedemptionPayment_01250f0f-a8f9-4e8d-936f-fbf33ba57a3c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredNoncontrollingInterests_1182fa30-f091-4b93-a83d-8445f54ff994" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredNoncontrollingInterests"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredNoncontrollingInterests_1182fa30-f091-4b93-a83d-8445f54ff994" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredRepaymentsOfLinesOfCredit_719e4469-b87a-47dd-88ba-322cda59f2c1" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredRepaymentsOfLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredRepaymentsOfLinesOfCredit_719e4469-b87a-47dd-88ba-322cda59f2c1" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionConsiderationTransferredTransactionCost_0a321274-5bef-4b43-8d64-1e4e4dd48072" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionConsiderationTransferredTransactionCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_us-gaap_AssetAcquisitionConsiderationTransferredTransactionCost_0a321274-5bef-4b43-8d64-1e4e4dd48072" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncashOrPartNoncashAcquisitionDebtAssumed1_f722bb9e-8cb1-4f00-b082-2f6ee020366e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NoncashOrPartNoncashAcquisitionDebtAssumed1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_us-gaap_NoncashOrPartNoncashAcquisitionDebtAssumed1_f722bb9e-8cb1-4f00-b082-2f6ee020366e" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredAndNoncashOrPartNoncashAcquisition_c6a47620-c9a1-46e7-9ad4-e5662c7523ff" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredAndNoncashOrPartNoncashAcquisition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredAndNoncashOrPartNoncashAcquisition_c6a47620-c9a1-46e7-9ad4-e5662c7523ff" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfShares_753a4d94-080c-4d9c-92ad-3b68e99b910c" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableNumberOfShares_753a4d94-080c-4d9c-92ad-3b68e99b910c" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionSharePrice_bdd8194f-b9a0-47d7-9a82-5750d66abfb2" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionSharePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionSharePrice_bdd8194f-b9a0-47d7-9a82-5750d66abfb2" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredNoncontrollingInterestsNumberOfUnits_6bd8b5d1-c762-4f55-a661-3475b27f7a9a" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredNoncontrollingInterestsNumberOfUnits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredNoncontrollingInterestsNumberOfUnits_6bd8b5d1-c762-4f55-a661-3475b27f7a9a" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_26cd2aa8-e4c3-4772-824f-ce9960f072a3" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionFinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_26cd2aa8-e4c3-4772-824f-ce9960f072a3" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionEquityMethodInvestments_8ceb831b-6c13-4c2d-800b-9eb754cf2537" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionEquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionEquityMethodInvestments_8ceb831b-6c13-4c2d-800b-9eb754cf2537" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionCashAndCashEquivalents_a9ef60a2-98cb-4151-a13b-21ab14afbf54" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionCashAndCashEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionCashAndCashEquivalents_a9ef60a2-98cb-4151-a13b-21ab14afbf54" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionOtherAssets_0d13305e-c300-4bd6-a20a-4fe3b76f5ac7" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionOtherAssets_0d13305e-c300-4bd6-a20a-4fe3b76f5ac7" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionLongTermDebt_06572eca-a144-4e84-81cf-5ee47d7b681c" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionLongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionLongTermDebt_06572eca-a144-4e84-81cf-5ee47d7b681c" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionAccruedLiabilities_a618353b-54aa-4903-9c33-6ca0ac2897c1" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionAccruedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionAccruedLiabilities_a618353b-54aa-4903-9c33-6ca0ac2897c1" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionOtherLiabilities_8f39dd22-7a72-4de1-aab5-650c9c89975c" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionOtherLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionOtherLiabilities_8f39dd22-7a72-4de1-aab5-650c9c89975c" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_41e21ae6-de92-4e7d-aee0-e4a975035497" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionAssetsAcquiredAndLiabilitiesAssumedNet_41e21ae6-de92-4e7d-aee0-e4a975035497" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionFinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossRentMultiple_3955ede0-7b0c-4f39-883f-c49378deba91" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionFinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossRentMultiple"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_vici_AssetAcquisitionFinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossRentMultiple_3955ede0-7b0c-4f39-883f-c49378deba91" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_50093869-ee9e-4db6-b40e-23bebf1697db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionLineItems_f45fea73-21ed-4c6d-b6b8-8b1799d3716b" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_50093869-ee9e-4db6-b40e-23bebf1697db" xlink:type="arc" order="26"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstatePortfolioNarrativeDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstatePortfolioNarrativeDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstatePortfolioNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTable_8cc71300-ae2c-4d44-98e2-623fd77c9477" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_us-gaap_RealEstateTable_8cc71300-ae2c-4d44-98e2-623fd77c9477" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_2bd5eede-f1f0-447d-a53f-eb6382b7bec8" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_8cc71300-ae2c-4d44-98e2-623fd77c9477" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_2bd5eede-f1f0-447d-a53f-eb6382b7bec8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_2bd5eede-f1f0-447d-a53f-eb6382b7bec8_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_2bd5eede-f1f0-447d-a53f-eb6382b7bec8" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_2bd5eede-f1f0-447d-a53f-eb6382b7bec8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_7de365f0-10f1-4a4b-ac0e-980f0adaeff8" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_2bd5eede-f1f0-447d-a53f-eb6382b7bec8" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_7de365f0-10f1-4a4b-ac0e-980f0adaeff8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_BREITJVMember_243e7f86-13c3-4864-9cf0-cd58d012d9b2" xlink:href="vici-20231231.xsd#vici_BREITJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_7de365f0-10f1-4a4b-ac0e-980f0adaeff8" xlink:to="loc_vici_BREITJVMember_243e7f86-13c3-4864-9cf0-cd58d012d9b2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_3fe7f47e-1f47-4b36-9b4a-8a64bdb2b914" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_8cc71300-ae2c-4d44-98e2-623fd77c9477" xlink:to="loc_us-gaap_AssetAcquisitionAxis_3fe7f47e-1f47-4b36-9b4a-8a64bdb2b914" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_3fe7f47e-1f47-4b36-9b4a-8a64bdb2b914_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_3fe7f47e-1f47-4b36-9b4a-8a64bdb2b914" xlink:to="loc_us-gaap_AssetAcquisitionDomain_3fe7f47e-1f47-4b36-9b4a-8a64bdb2b914_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_e7ffe21b-b0a7-461e-bf92-59894c6a61fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_3fe7f47e-1f47-4b36-9b4a-8a64bdb2b914" xlink:to="loc_us-gaap_AssetAcquisitionDomain_e7ffe21b-b0a7-461e-bf92-59894c6a61fd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPMember_023a8689-e0f4-4afc-91d7-4c36854f3be4" xlink:href="vici-20231231.xsd#vici_MGPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_e7ffe21b-b0a7-461e-bf92-59894c6a61fd" xlink:to="loc_vici_MGPMember_023a8689-e0f4-4afc-91d7-4c36854f3be4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_66d58b6c-b9f8-4970-9a1b-34163b7a22f0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_8cc71300-ae2c-4d44-98e2-623fd77c9477" xlink:to="loc_srt_RangeAxis_66d58b6c-b9f8-4970-9a1b-34163b7a22f0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_66d58b6c-b9f8-4970-9a1b-34163b7a22f0_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_66d58b6c-b9f8-4970-9a1b-34163b7a22f0" xlink:to="loc_srt_RangeMember_66d58b6c-b9f8-4970-9a1b-34163b7a22f0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_c9468a3a-d6a1-4911-b77d-c39a9b8208a1" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_66d58b6c-b9f8-4970-9a1b-34163b7a22f0" xlink:to="loc_srt_RangeMember_c9468a3a-d6a1-4911-b77d-c39a9b8208a1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_4c29b3e8-44ed-403d-a2d4-3cd659f59c1c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_c9468a3a-d6a1-4911-b77d-c39a9b8208a1" xlink:to="loc_srt_MinimumMember_4c29b3e8-44ed-403d-a2d4-3cd659f59c1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_2fdbe5f4-35cc-40e9-b1f4-3b01be0e8454" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_c9468a3a-d6a1-4911-b77d-c39a9b8208a1" xlink:to="loc_srt_MaximumMember_2fdbe5f4-35cc-40e9-b1f4-3b01be0e8454" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_4fed08eb-2dc4-45b8-aaae-4879b58c8158" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_8cc71300-ae2c-4d44-98e2-623fd77c9477" xlink:to="loc_us-gaap_VariableRateAxis_4fed08eb-2dc4-45b8-aaae-4879b58c8158" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_4fed08eb-2dc4-45b8-aaae-4879b58c8158_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_4fed08eb-2dc4-45b8-aaae-4879b58c8158" xlink:to="loc_us-gaap_VariableRateDomain_4fed08eb-2dc4-45b8-aaae-4879b58c8158_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_3e5934db-476a-4399-9fdd-8c7913006fb6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_4fed08eb-2dc4-45b8-aaae-4879b58c8158" xlink:to="loc_us-gaap_VariableRateDomain_3e5934db-476a-4399-9fdd-8c7913006fb6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VariableRentMember_71f76984-cd6f-4238-bfc3-6f5493cdbdf0" xlink:href="vici-20231231.xsd#vici_VariableRentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_3e5934db-476a-4399-9fdd-8c7913006fb6" xlink:to="loc_vici_VariableRentMember_71f76984-cd6f-4238-bfc3-6f5493cdbdf0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_cde5a997-1b53-43dc-b176-84c6de4144ed" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_8cc71300-ae2c-4d44-98e2-623fd77c9477" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_cde5a997-1b53-43dc-b176-84c6de4144ed" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_cde5a997-1b53-43dc-b176-84c6de4144ed_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_cde5a997-1b53-43dc-b176-84c6de4144ed" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_cde5a997-1b53-43dc-b176-84c6de4144ed_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_18761b13-d1a0-4935-833c-00e59aaea742" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_cde5a997-1b53-43dc-b176-84c6de4144ed" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_18761b13-d1a0-4935-833c-00e59aaea742" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CasinoMember_d34c1d56-62c1-4554-a1ca-e4d60765adfb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CasinoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_18761b13-d1a0-4935-833c-00e59aaea742" xlink:to="loc_us-gaap_CasinoMember_d34c1d56-62c1-4554-a1ca-e4d60765adfb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OtherExperientialPropertiesMember_60c3cdc1-e676-418f-ba27-8ac413b5acc7" xlink:href="vici-20231231.xsd#vici_OtherExperientialPropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_18761b13-d1a0-4935-833c-00e59aaea742" xlink:to="loc_vici_OtherExperientialPropertiesMember_60c3cdc1-e676-418f-ba27-8ac413b5acc7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SalesTypeLeaseNumberOfCasinos_e2ea09e4-00c8-4d3b-aa54-be7b8a3e097e" xlink:href="vici-20231231.xsd#vici_SalesTypeLeaseNumberOfCasinos"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_SalesTypeLeaseNumberOfCasinos_e2ea09e4-00c8-4d3b-aa54-be7b8a3e097e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SalesTypeLeaseNumberOfLeaseArrangements_007cc4a0-2e67-4ce3-95ed-4aaa691853e3" xlink:href="vici-20231231.xsd#vici_SalesTypeLeaseNumberOfLeaseArrangements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_SalesTypeLeaseNumberOfLeaseArrangements_007cc4a0-2e67-4ce3-95ed-4aaa691853e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivableInvestmentInLeaseNumberOfProperties_993f53d8-7fc0-4c0c-b554-ea6a6cfc5aa7" xlink:href="vici-20231231.xsd#vici_FinancingReceivableInvestmentInLeaseNumberOfProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_FinancingReceivableInvestmentInLeaseNumberOfProperties_993f53d8-7fc0-4c0c-b554-ea6a6cfc5aa7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_a1a56eaa-fab3-413d-a6a9-058abf178ddc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_a1a56eaa-fab3-413d-a6a9-058abf178ddc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivableInvestmentInLeaseNumberOfLeaseArrangements_6ca44618-a68f-4ddc-b479-f78018918c51" xlink:href="vici-20231231.xsd#vici_FinancingReceivableInvestmentInLeaseNumberOfLeaseArrangements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_FinancingReceivableInvestmentInLeaseNumberOfLeaseArrangements_6ca44618-a68f-4ddc-b479-f78018918c51" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivableInvestmentInLoansNumberOfLoansAndSecurities_910e8fd4-f745-442e-8cc5-974e7709ad65" xlink:href="vici-20231231.xsd#vici_FinancingReceivableInvestmentInLoansNumberOfLoansAndSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_FinancingReceivableInvestmentInLoansNumberOfLoansAndSecurities_910e8fd4-f745-442e-8cc5-974e7709ad65" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseArrangementNumberOfProperties_db884d13-016e-4642-91eb-8f7d9d4a76ad" xlink:href="vici-20231231.xsd#vici_LeaseArrangementNumberOfProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_LeaseArrangementNumberOfProperties_db884d13-016e-4642-91eb-8f7d9d4a76ad" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseArrangementNumberOfLeaseAgreement_18aba8dc-34e2-49c2-ae49-91c1066fbe31" xlink:href="vici-20231231.xsd#vici_LeaseArrangementNumberOfLeaseAgreement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_LeaseArrangementNumberOfLeaseAgreement_18aba8dc-34e2-49c2-ae49-91c1066fbe31" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorSalesTypeAndDirectFinancingLeaseInitialTermOfContract_e930c070-965a-47c2-af25-7933a20111e8" xlink:href="vici-20231231.xsd#vici_LessorSalesTypeAndDirectFinancingLeaseInitialTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_LessorSalesTypeAndDirectFinancingLeaseInitialTermOfContract_e930c070-965a-47c2-af25-7933a20111e8" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_9541c771-11b2-437e-9774-1ac647b70616" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_9541c771-11b2-437e-9774-1ac647b70616" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRate_5b38729c-e304-4012-9f97-99f548f8d6a2" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_AnnualEscalationRate_5b38729c-e304-4012-9f97-99f548f8d6a2" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRateEarlierYears_334448e5-ee9b-4369-ab4f-046266f31ae8" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRateEarlierYears"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_AnnualEscalationRateEarlierYears_334448e5-ee9b-4369-ab4f-046266f31ae8" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRateLaterYears_6bd040da-19ef-42e9-b8f7-c8a4ab6ff658" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRateLaterYears"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_AnnualEscalationRateLaterYears_6bd040da-19ef-42e9-b8f7-c8a4ab6ff658" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseArrangementPercentageOfVariableRentSplit_26b6dd6e-47bd-4e63-9651-bdc06581c66c" xlink:href="vici-20231231.xsd#vici_LeaseArrangementPercentageOfVariableRentSplit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_50bf613a-302d-45a1-94a0-aa7067caee09" xlink:to="loc_vici_LeaseArrangementPercentageOfVariableRentSplit_26b6dd6e-47bd-4e63-9651-bdc06581c66c" xlink:type="arc" order="13"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstatePortfolioScheduleOfRealEstatePortfolioDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstatePortfolioScheduleOfRealEstatePortfolioDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstatePortfolioScheduleOfRealEstatePortfolioDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_52a5e1f2-eadb-4f54-a33f-f7a268e04eae" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_52a5e1f2-eadb-4f54-a33f-f7a268e04eae" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_adbde5b6-1718-4f5f-ad08-9a1d1085adba" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_52a5e1f2-eadb-4f54-a33f-f7a268e04eae" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_adbde5b6-1718-4f5f-ad08-9a1d1085adba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_adbde5b6-1718-4f5f-ad08-9a1d1085adba_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_adbde5b6-1718-4f5f-ad08-9a1d1085adba" xlink:to="loc_us-gaap_ReceivableTypeDomain_adbde5b6-1718-4f5f-ad08-9a1d1085adba_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_785b7286-896a-44d6-b8e4-5d6992bc889a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_adbde5b6-1718-4f5f-ad08-9a1d1085adba" xlink:to="loc_us-gaap_ReceivableTypeDomain_785b7286-896a-44d6-b8e4-5d6992bc889a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceReceivablesMember_c0535b4e-08e3-403d-b2db-ad777c759a70" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceReceivablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_785b7286-896a-44d6-b8e4-5d6992bc889a" xlink:to="loc_us-gaap_FinanceReceivablesMember_c0535b4e-08e3-403d-b2db-ad777c759a70" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoansReceivableAndSecuritiesMember_bbe70f54-cead-4344-8843-4f5496cf596a" xlink:href="vici-20231231.xsd#vici_LoansReceivableAndSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_785b7286-896a-44d6-b8e4-5d6992bc889a" xlink:to="loc_vici_LoansReceivableAndSecuritiesMember_bbe70f54-cead-4344-8843-4f5496cf596a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseTypeAxis_0dabb5d6-657c-48f8-984b-15c12bc68cbf" xlink:href="vici-20231231.xsd#vici_LeaseTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_52a5e1f2-eadb-4f54-a33f-f7a268e04eae" xlink:to="loc_vici_LeaseTypeAxis_0dabb5d6-657c-48f8-984b-15c12bc68cbf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseTypeDomain_0dabb5d6-657c-48f8-984b-15c12bc68cbf_default" xlink:href="vici-20231231.xsd#vici_LeaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_vici_LeaseTypeAxis_0dabb5d6-657c-48f8-984b-15c12bc68cbf" xlink:to="loc_vici_LeaseTypeDomain_0dabb5d6-657c-48f8-984b-15c12bc68cbf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseTypeDomain_bb2cc751-4294-45e7-9201-9d8e7d78502f" xlink:href="vici-20231231.xsd#vici_LeaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_vici_LeaseTypeAxis_0dabb5d6-657c-48f8-984b-15c12bc68cbf" xlink:to="loc_vici_LeaseTypeDomain_bb2cc751-4294-45e7-9201-9d8e7d78502f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DirectFinancingAndSalesTypeMember_f6727004-2391-495f-b1b8-22754c312a6c" xlink:href="vici-20231231.xsd#vici_DirectFinancingAndSalesTypeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeaseTypeDomain_bb2cc751-4294-45e7-9201-9d8e7d78502f" xlink:to="loc_vici_DirectFinancingAndSalesTypeMember_f6727004-2391-495f-b1b8-22754c312a6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_b8a3264c-32f1-4c6c-9b60-f8aca1674999" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_52a5e1f2-eadb-4f54-a33f-f7a268e04eae" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_b8a3264c-32f1-4c6c-9b60-f8aca1674999" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_b8a3264c-32f1-4c6c-9b60-f8aca1674999_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_b8a3264c-32f1-4c6c-9b60-f8aca1674999" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_b8a3264c-32f1-4c6c-9b60-f8aca1674999_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_a7e63dc9-8288-4da7-b609-c715bab97bd3" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_b8a3264c-32f1-4c6c-9b60-f8aca1674999" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_a7e63dc9-8288-4da7-b609-c715bab97bd3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_69d8f921-790a-4a25-9800-05ebdea127a7" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_a7e63dc9-8288-4da7-b609-c715bab97bd3" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_69d8f921-790a-4a25-9800-05ebdea127a7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss_f4bdc105-3b37-4676-85dd-9e56aeb68d6c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:to="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss_f4bdc105-3b37-4676-85dd-9e56aeb68d6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_555cd7c1-4a6c-44f9-bb0a-b44f8db1c792" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_555cd7c1-4a6c-44f9-bb0a-b44f8db1c792" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivablesOperatingLeasesNetInvestmentInLeaseBeforeInvestmentInLoans_73836ca0-9714-4a92-b4e5-6936b9703ecc" xlink:href="vici-20231231.xsd#vici_FinancingReceivablesOperatingLeasesNetInvestmentInLeaseBeforeInvestmentInLoans"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:to="loc_vici_FinancingReceivablesOperatingLeasesNetInvestmentInLeaseBeforeInvestmentInLoans_73836ca0-9714-4a92-b4e5-6936b9703ecc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_675b4eb3-f1c8-4f4f-9431-f44caebcdc6b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments_389d9dc2-2259-4726-9529-6dcee2beb9ea" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:to="loc_us-gaap_EquityMethodInvestments_389d9dc2-2259-4726-9529-6dcee2beb9ea" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandAvailableForDevelopment_68edcee1-2835-40be-8209-4d7a7913e3fd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LandAvailableForDevelopment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:to="loc_us-gaap_LandAvailableForDevelopment_68edcee1-2835-40be-8209-4d7a7913e3fd" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestments_ff871c49-ec39-47c1-8099-c09c3e8c446e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:to="loc_us-gaap_RealEstateInvestments_ff871c49-ec39-47c1-8099-c09c3e8c446e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SalesTypeLeaseUnguaranteedResidualAsset_6316198e-abe6-4d7c-b960-2e8da2381bbc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SalesTypeLeaseUnguaranteedResidualAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:to="loc_us-gaap_SalesTypeLeaseUnguaranteedResidualAsset_6316198e-abe6-4d7c-b960-2e8da2381bbc" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_3d7cb0f2-4590-434d-bfc1-cc59245ac2d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_450d87a3-504d-4025-a1e8-c7e3d997495c" xlink:to="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage_3d7cb0f2-4590-434d-bfc1-cc59245ac2d4" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstatePortfolioScheduleofLeaseAgreementDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstatePortfolioScheduleofLeaseAgreementDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstatePortfolioScheduleofLeaseAgreementDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeasedAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfOperatingLeasedAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_1c13981f-fd4f-47f3-bf4f-e16119fadaf0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_1c13981f-fd4f-47f3-bf4f-e16119fadaf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_1c13981f-fd4f-47f3-bf4f-e16119fadaf0_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_1c13981f-fd4f-47f3-bf4f-e16119fadaf0" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_1c13981f-fd4f-47f3-bf4f-e16119fadaf0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_e42ea0f5-fda4-446f-859a-399a0c27b0bf" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_1c13981f-fd4f-47f3-bf4f-e16119fadaf0" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_e42ea0f5-fda4-446f-859a-399a0c27b0bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMMasterLeasePropertiesMember_bc5b576b-319b-42f4-b060-6e1c46c36f99" xlink:href="vici-20231231.xsd#vici_MGMMasterLeasePropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_e42ea0f5-fda4-446f-859a-399a0c27b0bf" xlink:to="loc_vici_MGMMasterLeasePropertiesMember_bc5b576b-319b-42f4-b060-6e1c46c36f99" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CaesarsLeaseAgreementsMember_d1422bb0-67c6-4f14-af64-ba37d10b1cf5" xlink:href="vici-20231231.xsd#vici_CaesarsLeaseAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_e42ea0f5-fda4-446f-859a-399a0c27b0bf" xlink:to="loc_vici_CaesarsLeaseAgreementsMember_d1422bb0-67c6-4f14-af64-ba37d10b1cf5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayLeasePropertiesMember_b983f57e-9e08-4470-843f-4c9485743f06" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayLeasePropertiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_e42ea0f5-fda4-446f-859a-399a0c27b0bf" xlink:to="loc_vici_MGMGrandMandalayBayLeasePropertiesMember_b983f57e-9e08-4470-843f-4c9485743f06" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_becd3236-d1e5-41b9-b344-3c418a0bf536" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_becd3236-d1e5-41b9-b344-3c418a0bf536" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_becd3236-d1e5-41b9-b344-3c418a0bf536_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_becd3236-d1e5-41b9-b344-3c418a0bf536" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_becd3236-d1e5-41b9-b344-3c418a0bf536_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_456e61bd-7001-46fd-916b-044e7faa58ab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_becd3236-d1e5-41b9-b344-3c418a0bf536" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_456e61bd-7001-46fd-916b-044e7faa58ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMMasterLeaseMember_20b77fe0-49ba-417a-ad5b-a5b72a2b8e08" xlink:href="vici-20231231.xsd#vici_MGMMasterLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_456e61bd-7001-46fd-916b-044e7faa58ab" xlink:to="loc_vici_MGMMasterLeaseMember_20b77fe0-49ba-417a-ad5b-a5b72a2b8e08" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CaesarsRegionalMasterLeaseAndJolietLeaseMember_293e2bc0-3faf-4345-b568-d73d66603689" xlink:href="vici-20231231.xsd#vici_CaesarsRegionalMasterLeaseAndJolietLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_456e61bd-7001-46fd-916b-044e7faa58ab" xlink:to="loc_vici_CaesarsRegionalMasterLeaseAndJolietLeaseMember_293e2bc0-3faf-4345-b568-d73d66603689" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CaesarsLasVegasMasterLeaseMember_cd7972ee-af6f-4c07-a497-ce3bdbbb2b99" xlink:href="vici-20231231.xsd#vici_CaesarsLasVegasMasterLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_456e61bd-7001-46fd-916b-044e7faa58ab" xlink:to="loc_vici_CaesarsLasVegasMasterLeaseMember_cd7972ee-af6f-4c07-a497-ce3bdbbb2b99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayLeaseMember_b9813f17-b258-436c-acfd-d187ecf163ca" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_456e61bd-7001-46fd-916b-044e7faa58ab" xlink:to="loc_vici_MGMGrandMandalayBayLeaseMember_b9813f17-b258-436c-acfd-d187ecf163ca" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYearAxis_b33c17ed-820f-4552-a6a0-02f568f612ab" xlink:href="vici-20231231.xsd#vici_LeaseYearAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:to="loc_vici_LeaseYearAxis_b33c17ed-820f-4552-a6a0-02f568f612ab" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYearDomain_b33c17ed-820f-4552-a6a0-02f568f612ab_default" xlink:href="vici-20231231.xsd#vici_LeaseYearDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_vici_LeaseYearAxis_b33c17ed-820f-4552-a6a0-02f568f612ab" xlink:to="loc_vici_LeaseYearDomain_b33c17ed-820f-4552-a6a0-02f568f612ab_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:href="vici-20231231.xsd#vici_LeaseYearDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_vici_LeaseYearAxis_b33c17ed-820f-4552-a6a0-02f568f612ab" xlink:to="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYears2Through10Member_19762351-c07a-4d53-80b6-25fa8b387085" xlink:href="vici-20231231.xsd#vici_LeaseYears2Through10Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:to="loc_vici_LeaseYears2Through10Member_19762351-c07a-4d53-80b6-25fa8b387085" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYears11Through25Member_bf4ada0d-20be-4165-8246-443b50672b95" xlink:href="vici-20231231.xsd#vici_LeaseYears11Through25Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:to="loc_vici_LeaseYears11Through25Member_bf4ada0d-20be-4165-8246-443b50672b95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYears2Through5Member_afefe47e-257b-4fd8-b6e5-6feb2f8023a6" xlink:href="vici-20231231.xsd#vici_LeaseYears2Through5Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:to="loc_vici_LeaseYears2Through5Member_afefe47e-257b-4fd8-b6e5-6feb2f8023a6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYears6Through18Member_91f47446-74fc-4bde-9825-10eaebfa7954" xlink:href="vici-20231231.xsd#vici_LeaseYears6Through18Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:to="loc_vici_LeaseYears6Through18Member_91f47446-74fc-4bde-9825-10eaebfa7954" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYears2Through15Member_e46abf5e-b5b8-4ec0-b2c9-b7edae9673be" xlink:href="vici-20231231.xsd#vici_LeaseYears2Through15Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:to="loc_vici_LeaseYears2Through15Member_e46abf5e-b5b8-4ec0-b2c9-b7edae9673be" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYears16Through30Member_945538bd-119d-4807-b9ea-9ce8d40b4c91" xlink:href="vici-20231231.xsd#vici_LeaseYears16Through30Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:to="loc_vici_LeaseYears16Through30Member_945538bd-119d-4807-b9ea-9ce8d40b4c91" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYears8Through10Member_feec1cc2-4f6f-4d39-852d-654c0342f90c" xlink:href="vici-20231231.xsd#vici_LeaseYears8Through10Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:to="loc_vici_LeaseYears8Through10Member_feec1cc2-4f6f-4d39-852d-654c0342f90c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseYears11Through15Member_b71f81d3-c73a-4b8a-b8cc-9019a0db8476" xlink:href="vici-20231231.xsd#vici_LeaseYears11Through15Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeaseYearDomain_45fd340b-89cf-43f6-8c7e-e360459d5d2a" xlink:to="loc_vici_LeaseYears11Through15Member_b71f81d3-c73a-4b8a-b8cc-9019a0db8476" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_c43d3610-d37b-40f8-8c66-a06000aff1d4" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:to="loc_srt_RangeAxis_c43d3610-d37b-40f8-8c66-a06000aff1d4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_c43d3610-d37b-40f8-8c66-a06000aff1d4_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_c43d3610-d37b-40f8-8c66-a06000aff1d4" xlink:to="loc_srt_RangeMember_c43d3610-d37b-40f8-8c66-a06000aff1d4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b3fdcef0-c411-481b-bb69-b7d8e8cbf3b3" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_c43d3610-d37b-40f8-8c66-a06000aff1d4" xlink:to="loc_srt_RangeMember_b3fdcef0-c411-481b-bb69-b7d8e8cbf3b3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_fc18d67d-8375-4c09-a6a3-7de1b2190550" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_b3fdcef0-c411-481b-bb69-b7d8e8cbf3b3" xlink:to="loc_srt_MinimumMember_fc18d67d-8375-4c09-a6a3-7de1b2190550" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_d9f532cf-c05f-4b5f-84dc-dfeb177f22bf" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_b3fdcef0-c411-481b-bb69-b7d8e8cbf3b3" xlink:to="loc_srt_MaximumMember_d9f532cf-c05f-4b5f-84dc-dfeb177f22bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_db209cbc-0aa0-4281-b2eb-9d6bd3d4d7c6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:to="loc_us-gaap_VariableRateAxis_db209cbc-0aa0-4281-b2eb-9d6bd3d4d7c6" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_db209cbc-0aa0-4281-b2eb-9d6bd3d4d7c6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_db209cbc-0aa0-4281-b2eb-9d6bd3d4d7c6" xlink:to="loc_us-gaap_VariableRateDomain_db209cbc-0aa0-4281-b2eb-9d6bd3d4d7c6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_748434dc-342e-469c-827d-5fed19400c0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_db209cbc-0aa0-4281-b2eb-9d6bd3d4d7c6" xlink:to="loc_us-gaap_VariableRateDomain_748434dc-342e-469c-827d-5fed19400c0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_BaseRentMember_d5f7aadc-f873-4631-9551-7080e3a9297d" xlink:href="vici-20231231.xsd#vici_BaseRentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_748434dc-342e-469c-827d-5fed19400c0b" xlink:to="loc_vici_BaseRentMember_d5f7aadc-f873-4631-9551-7080e3a9297d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VariableRentMember_b2a7ee62-7c7a-49aa-adf8-b48bbb9c58c5" xlink:href="vici-20231231.xsd#vici_VariableRentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_748434dc-342e-469c-827d-5fed19400c0b" xlink:to="loc_vici_VariableRentMember_b2a7ee62-7c7a-49aa-adf8-b48bbb9c58c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_07c44a59-80bd-4266-a57d-2cb610b25700" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:to="loc_srt_OwnershipAxis_07c44a59-80bd-4266-a57d-2cb610b25700" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_07c44a59-80bd-4266-a57d-2cb610b25700_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_07c44a59-80bd-4266-a57d-2cb610b25700" xlink:to="loc_srt_OwnershipDomain_07c44a59-80bd-4266-a57d-2cb610b25700_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_b68602ff-8508-4562-a8c5-d16e49cc578b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_07c44a59-80bd-4266-a57d-2cb610b25700" xlink:to="loc_srt_OwnershipDomain_b68602ff-8508-4562-a8c5-d16e49cc578b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_HarrahsJolietLandCoLLCMember_dcb57d14-0308-404e-9366-9a191e4f1328" xlink:href="vici-20231231.xsd#vici_HarrahsJolietLandCoLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_b68602ff-8508-4562-a8c5-d16e49cc578b" xlink:to="loc_vici_HarrahsJolietLandCoLLCMember_dcb57d14-0308-404e-9366-9a191e4f1328" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_7748e206-b677-47fc-a48b-93251c56d8b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:to="loc_us-gaap_AssetAcquisitionAxis_7748e206-b677-47fc-a48b-93251c56d8b4" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_7748e206-b677-47fc-a48b-93251c56d8b4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_7748e206-b677-47fc-a48b-93251c56d8b4" xlink:to="loc_us-gaap_AssetAcquisitionDomain_7748e206-b677-47fc-a48b-93251c56d8b4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_b69f9a54-2ac3-4db2-b3f9-2d82e4d0e2f6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_7748e206-b677-47fc-a48b-93251c56d8b4" xlink:to="loc_us-gaap_AssetAcquisitionDomain_b69f9a54-2ac3-4db2-b3f9-2d82e4d0e2f6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_4a687a52-5a95-466a-bc3c-64bce7460592" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_b69f9a54-2ac3-4db2-b3f9-2d82e4d0e2f6" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_4a687a52-5a95-466a-bc3c-64bce7460592" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermAxis_13a3edbf-b35c-44be-90ee-ab003224b50b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfOperatingLeasedAssetsTable_743645a0-50ec-40e4-b469-c09eb1948a28" xlink:to="loc_us-gaap_LeaseContractualTermAxis_13a3edbf-b35c-44be-90ee-ab003224b50b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_13a3edbf-b35c-44be-90ee-ab003224b50b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LeaseContractualTermAxis_13a3edbf-b35c-44be-90ee-ab003224b50b" xlink:to="loc_us-gaap_LeaseContractualTermDomain_13a3edbf-b35c-44be-90ee-ab003224b50b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseContractualTermDomain_337f9de2-92c4-4f9d-bf16-bfa4e633b858" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseContractualTermDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LeaseContractualTermAxis_13a3edbf-b35c-44be-90ee-ab003224b50b" xlink:to="loc_us-gaap_LeaseContractualTermDomain_337f9de2-92c4-4f9d-bf16-bfa4e633b858" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_GoldStrikeLeaseMember_e7a647f7-da00-4921-81ce-167dd49a7cbe" xlink:href="vici-20231231.xsd#vici_GoldStrikeLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeaseContractualTermDomain_337f9de2-92c4-4f9d-bf16-bfa4e633b858" xlink:to="loc_vici_GoldStrikeLeaseMember_e7a647f7-da00-4921-81ce-167dd49a7cbe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorSalesTypeAndDirectFinancingLeaseInitialTermOfContract_a0f4f4f8-ef1d-4061-a659-9672d6fa7c81" xlink:href="vici-20231231.xsd#vici_LessorSalesTypeAndDirectFinancingLeaseInitialTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_vici_LessorSalesTypeAndDirectFinancingLeaseInitialTermOfContract_a0f4f4f8-ef1d-4061-a659-9672d6fa7c81" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsSalestypeDirectFinancingLeaseNumberOfRenewalOptions_8e783972-ae26-4039-be04-fe338ce7ae85" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsSalestypeDirectFinancingLeaseNumberOfRenewalOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_vici_LessorLeasingArrangementsSalestypeDirectFinancingLeaseNumberOfRenewalOptions_8e783972-ae26-4039-be04-fe338ce7ae85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_3b5f17bd-873b-4fcf-bdb3-af34eae8d077" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LessorSalesTypeLeaseRenewalTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_us-gaap_LessorSalesTypeLeaseRenewalTerm1_3b5f17bd-873b-4fcf-bdb3-af34eae8d077" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorCurrentBaseRent_3d5aef4f-1322-47d9-bbfb-00df0164804b" xlink:href="vici-20231231.xsd#vici_LessorCurrentBaseRent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_vici_LessorCurrentBaseRent_3d5aef4f-1322-47d9-bbfb-00df0164804b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualEscalationRatePercent_37108055-3f36-4b2a-ba3a-19c7778b6bd2" xlink:href="vici-20231231.xsd#vici_AnnualEscalationRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_vici_AnnualEscalationRatePercent_37108055-3f36-4b2a-ba3a-19c7778b6bd2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AnnualRentIncreaseCapPercent_b1e64908-58f7-4e6a-a196-cd7e3ea26d65" xlink:href="vici-20231231.xsd#vici_AnnualRentIncreaseCapPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_vici_AnnualRentIncreaseCapPercent_b1e64908-58f7-4e6a-a196-cd7e3ea26d65" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseArrangementPercentageOfVariableRentSplit_4d15ec87-72a7-4cfc-bf1a-954d0d072c4d" xlink:href="vici-20231231.xsd#vici_LeaseArrangementPercentageOfVariableRentSplit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_vici_LeaseArrangementPercentageOfVariableRentSplit_4d15ec87-72a7-4cfc-bf1a-954d0d072c4d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LessorLeasingArrangementsVariableRentPercentage_1502ba28-c454-4e63-b1fc-9c709900e199" xlink:href="vici-20231231.xsd#vici_LessorLeasingArrangementsVariableRentPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_vici_LessorLeasingArrangementsVariableRentPercentage_1502ba28-c454-4e63-b1fc-9c709900e199" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_6a7950d9-f4fb-4f5f-9da1-3ecebb477a89" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeasedAssetsLineItems_8ba5f4b6-7992-4cd7-86c9-b075fd70f874" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_6a7950d9-f4fb-4f5f-9da1-3ecebb477a89" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstatePortfolioScheduleofCapitalExpenditureRequirementsDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstatePortfolioScheduleofCapitalExpenditureRequirementsDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstatePortfolioScheduleofCapitalExpenditureRequirementsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTable_78fbb014-e131-41c8-90d7-b4a823d8e835" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RealEstateTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:to="loc_us-gaap_RealEstateTable_78fbb014-e131-41c8-90d7-b4a823d8e835" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_de666e12-9818-4699-95bf-4a939193a447" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RealEstateTable_78fbb014-e131-41c8-90d7-b4a823d8e835" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_de666e12-9818-4699-95bf-4a939193a447" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_de666e12-9818-4699-95bf-4a939193a447_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_de666e12-9818-4699-95bf-4a939193a447" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_de666e12-9818-4699-95bf-4a939193a447_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_688856c1-41e3-4772-b2c7-7e2a4981f21e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_de666e12-9818-4699-95bf-4a939193a447" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_688856c1-41e3-4772-b2c7-7e2a4981f21e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CaesarsRegionalMasterLeaseAndJolietLeaseMember_b77aa563-4db6-4561-abe2-f74405927590" xlink:href="vici-20231231.xsd#vici_CaesarsRegionalMasterLeaseAndJolietLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_688856c1-41e3-4772-b2c7-7e2a4981f21e" xlink:to="loc_vici_CaesarsRegionalMasterLeaseAndJolietLeaseMember_b77aa563-4db6-4561-abe2-f74405927590" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CaesarsLasVegasMasterLeaseMember_11942254-d631-43a5-8978-89d24aa3186f" xlink:href="vici-20231231.xsd#vici_CaesarsLasVegasMasterLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_688856c1-41e3-4772-b2c7-7e2a4981f21e" xlink:to="loc_vici_CaesarsLasVegasMasterLeaseMember_11942254-d631-43a5-8978-89d24aa3186f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayLeaseMember_989e9ff4-7cc3-43ca-89bb-001feec40d0b" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_688856c1-41e3-4772-b2c7-7e2a4981f21e" xlink:to="loc_vici_MGMGrandMandalayBayLeaseMember_989e9ff4-7cc3-43ca-89bb-001feec40d0b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VenetianLeaseMember_ecd0a520-8365-4138-a1a6-4e01e8794df9" xlink:href="vici-20231231.xsd#vici_VenetianLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_688856c1-41e3-4772-b2c7-7e2a4981f21e" xlink:to="loc_vici_VenetianLeaseMember_ecd0a520-8365-4138-a1a6-4e01e8794df9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AllOtherLeasesMember_7f13fa88-5fce-4512-b3eb-579208fbeab7" xlink:href="vici-20231231.xsd#vici_AllOtherLeasesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_688856c1-41e3-4772-b2c7-7e2a4981f21e" xlink:to="loc_vici_AllOtherLeasesMember_7f13fa88-5fce-4512-b3eb-579208fbeab7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CaesarsLeasesMember_30015ccb-8a6c-43a0-8aff-744941b9b41a" xlink:href="vici-20231231.xsd#vici_CaesarsLeasesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_688856c1-41e3-4772-b2c7-7e2a4981f21e" xlink:to="loc_vici_CaesarsLeasesMember_30015ccb-8a6c-43a0-8aff-744941b9b41a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PercentageOfNetRevenueOfYearlyMinimumExpenditure_bd36a4bb-3bc6-4534-9858-28376b7b746f" xlink:href="vici-20231231.xsd#vici_PercentageOfNetRevenueOfYearlyMinimumExpenditure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:to="loc_vici_PercentageOfNetRevenueOfYearlyMinimumExpenditure_bd36a4bb-3bc6-4534-9858-28376b7b746f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PercentageOfMonthlyReserveOfYearlyMinimumExpenditure_0612d85e-7f5b-4ea8-972b-0bf1f9dba12d" xlink:href="vici-20231231.xsd#vici_PercentageOfMonthlyReserveOfYearlyMinimumExpenditure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:to="loc_vici_PercentageOfMonthlyReserveOfYearlyMinimumExpenditure_0612d85e-7f5b-4ea8-972b-0bf1f9dba12d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseAgreementAmountRequiredToBeSpentOnMinimumCapitalExpenditures_246e50bf-b5c2-4216-98db-238bdd0b3e81" xlink:href="vici-20231231.xsd#vici_LeaseAgreementAmountRequiredToBeSpentOnMinimumCapitalExpenditures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:to="loc_vici_LeaseAgreementAmountRequiredToBeSpentOnMinimumCapitalExpenditures_246e50bf-b5c2-4216-98db-238bdd0b3e81" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseAgreementAmountOfFloorOfCapitalExpenditures_804691d6-555c-4e4a-b6dc-29a7e2a6f5df" xlink:href="vici-20231231.xsd#vici_LeaseAgreementAmountOfFloorOfCapitalExpenditures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:to="loc_vici_LeaseAgreementAmountOfFloorOfCapitalExpenditures_804691d6-555c-4e4a-b6dc-29a7e2a6f5df" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PercentageOfPriorYearNetRevenuesOfAnnualBuildingAndCapitalImprovements_88266bae-77eb-46fe-a3a7-0c7fc8e6bdb9" xlink:href="vici-20231231.xsd#vici_PercentageOfPriorYearNetRevenuesOfAnnualBuildingAndCapitalImprovements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:to="loc_vici_PercentageOfPriorYearNetRevenuesOfAnnualBuildingAndCapitalImprovements_88266bae-77eb-46fe-a3a7-0c7fc8e6bdb9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseAgreementAmountRequiredToBeSpentOnMinimumCapitalExpendituresRegionalAssets_f347fe21-1fe1-4e2d-8e12-8f8031dd1b9b" xlink:href="vici-20231231.xsd#vici_LeaseAgreementAmountRequiredToBeSpentOnMinimumCapitalExpendituresRegionalAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:to="loc_vici_LeaseAgreementAmountRequiredToBeSpentOnMinimumCapitalExpendituresRegionalAssets_f347fe21-1fe1-4e2d-8e12-8f8031dd1b9b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_RealEstateInvestmentsAdditionalCapitalExpenditureRequirementTiedToTheFormationOfLeaseAgreement_ac287b97-f7ec-4354-8482-c89b29e0b127" xlink:href="vici-20231231.xsd#vici_RealEstateInvestmentsAdditionalCapitalExpenditureRequirementTiedToTheFormationOfLeaseAgreement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:to="loc_vici_RealEstateInvestmentsAdditionalCapitalExpenditureRequirementTiedToTheFormationOfLeaseAgreement_ac287b97-f7ec-4354-8482-c89b29e0b127" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_RealEstateInvestmentsMinimumAmountToBeExpendedAcrossCertainAffiliatesAndOtherAssets_d2d26408-db30-4707-81cd-2d3900b1fc00" xlink:href="vici-20231231.xsd#vici_RealEstateInvestmentsMinimumAmountToBeExpendedAcrossCertainAffiliatesAndOtherAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RealEstateLineItems_81318435-38d3-4c86-8c9b-c8817d61f16a" xlink:to="loc_vici_RealEstateInvestmentsMinimumAmountToBeExpendedAcrossCertainAffiliatesAndOtherAssets_d2d26408-db30-4707-81cd-2d3900b1fc00" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/RealEstatePortfolioSummaryofInvestmentinLoansDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#RealEstatePortfolioSummaryofInvestmentinLoansDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/RealEstatePortfolioSummaryofInvestmentinLoansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems_61dab9c5-524c-4ea2-8cac-ecec80532cd2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansAndLeasesReceivableDisclosureTable_fff6a6cb-22e7-4b4b-9f36-42b5086d5259" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LoansAndLeasesReceivableDisclosureTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems_61dab9c5-524c-4ea2-8cac-ecec80532cd2" xlink:to="loc_us-gaap_LoansAndLeasesReceivableDisclosureTable_fff6a6cb-22e7-4b4b-9f36-42b5086d5259" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis_5ef12cd4-66a4-487c-ad8a-024611664112" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LoansAndLeasesReceivableDisclosureTable_fff6a6cb-22e7-4b4b-9f36-42b5086d5259" xlink:to="loc_us-gaap_InvestmentTypeAxis_5ef12cd4-66a4-487c-ad8a-024611664112" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_5ef12cd4-66a4-487c-ad8a-024611664112_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_InvestmentTypeAxis_5ef12cd4-66a4-487c-ad8a-024611664112" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_5ef12cd4-66a4-487c-ad8a-024611664112_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember_752c97d9-ce4b-4d4e-874a-c7fe301aaa9c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_InvestmentTypeAxis_5ef12cd4-66a4-487c-ad8a-024611664112" xlink:to="loc_us-gaap_InvestmentTypeCategorizationMember_752c97d9-ce4b-4d4e-874a-c7fe301aaa9c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_285ce5cb-95d3-4e90-89bf-44fe2c5dff77" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_752c97d9-ce4b-4d4e-874a-c7fe301aaa9c" xlink:to="loc_us-gaap_SeniorNotesMember_285ce5cb-95d3-4e90-89bf-44fe2c5dff77" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorLoansMember_d572b50c-979d-4ca1-8460-ca22d02e3602" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_752c97d9-ce4b-4d4e-874a-c7fe301aaa9c" xlink:to="loc_us-gaap_SeniorLoansMember_d572b50c-979d-4ca1-8460-ca22d02e3602" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MezzanineLoansMember_7193e504-7767-4a40-bf24-d27f64488311" xlink:href="vici-20231231.xsd#vici_MezzanineLoansMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember_752c97d9-ce4b-4d4e-874a-c7fe301aaa9c" xlink:to="loc_vici_MezzanineLoansMember_7193e504-7767-4a40-bf24-d27f64488311" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_bc126d2f-ca4f-4c76-b8af-9d8867949c9b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LoansAndLeasesReceivableDisclosureTable_fff6a6cb-22e7-4b4b-9f36-42b5086d5259" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_bc126d2f-ca4f-4c76-b8af-9d8867949c9b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_bc126d2f-ca4f-4c76-b8af-9d8867949c9b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_bc126d2f-ca4f-4c76-b8af-9d8867949c9b" xlink:to="loc_us-gaap_ReceivableTypeDomain_bc126d2f-ca4f-4c76-b8af-9d8867949c9b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_ff3b0f07-8810-43ed-9f93-5258fd2a6ef0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_bc126d2f-ca4f-4c76-b8af-9d8867949c9b" xlink:to="loc_us-gaap_ReceivableTypeDomain_ff3b0f07-8810-43ed-9f93-5258fd2a6ef0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansReceivableMember_8d2930e5-e9a4-49c2-9b6a-f2b1d410ce39" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LoansReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_ff3b0f07-8810-43ed-9f93-5258fd2a6ef0" xlink:to="loc_us-gaap_LoansReceivableMember_8d2930e5-e9a4-49c2-9b6a-f2b1d410ce39" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ForumConventionCenterMortgageLoanMember_059e7bb3-e070-4732-9769-90c08d607824" xlink:href="vici-20231231.xsd#vici_ForumConventionCenterMortgageLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_ff3b0f07-8810-43ed-9f93-5258fd2a6ef0" xlink:to="loc_vici_ForumConventionCenterMortgageLoanMember_059e7bb3-e070-4732-9769-90c08d607824" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess_dabd6518-7798-496f-b3cb-d621ecd7aa5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems_61dab9c5-524c-4ea2-8cac-ecec80532cd2" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess_dabd6518-7798-496f-b3cb-d621ecd7aa5c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_ecb507bb-c126-4be0-9b88-7a2fb623f96c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems_61dab9c5-524c-4ea2-8cac-ecec80532cd2" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_ecb507bb-c126-4be0-9b88-7a2fb623f96c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoanPortfolioFutureFundingCommitments_5e3b366a-0232-4dfa-b0f7-3a90641f26cf" xlink:href="vici-20231231.xsd#vici_LoanPortfolioFutureFundingCommitments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems_61dab9c5-524c-4ea2-8cac-ecec80532cd2" xlink:to="loc_vici_LoanPortfolioFutureFundingCommitments_5e3b366a-0232-4dfa-b0f7-3a90641f26cf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivableWeightedAverageInterestRate_fc3b581d-0f9a-4a09-b15f-68017f9e1b8b" xlink:href="vici-20231231.xsd#vici_FinancingReceivableWeightedAverageInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems_61dab9c5-524c-4ea2-8cac-ecec80532cd2" xlink:to="loc_vici_FinancingReceivableWeightedAverageInterestRate_fc3b581d-0f9a-4a09-b15f-68017f9e1b8b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivableWeightedAverageTerm_7531aab2-5540-44e8-9999-430c9e455d84" xlink:href="vici-20231231.xsd#vici_FinancingReceivableWeightedAverageTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsLineItems_61dab9c5-524c-4ea2-8cac-ecec80532cd2" xlink:to="loc_vici_FinancingReceivableWeightedAverageTerm_7531aab2-5540-44e8-9999-430c9e455d84" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/AllowanceforCreditLossesNetInvestmentinLeaseAllowanceforCreditLossDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#AllowanceforCreditLossesNetInvestmentinLeaseAllowanceforCreditLossDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/AllowanceforCreditLossesNetInvestmentinLeaseAllowanceforCreditLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_708e76f6-d993-455c-81ff-a69d20c03011" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_c0c74b15-6fd1-4b5c-b29d-ca9c12614949" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_708e76f6-d993-455c-81ff-a69d20c03011" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_c0c74b15-6fd1-4b5c-b29d-ca9c12614949" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_99bdf104-2a3f-4413-88b4-493f710551c5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_c0c74b15-6fd1-4b5c-b29d-ca9c12614949" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_99bdf104-2a3f-4413-88b4-493f710551c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_99bdf104-2a3f-4413-88b4-493f710551c5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_99bdf104-2a3f-4413-88b4-493f710551c5" xlink:to="loc_us-gaap_ReceivableTypeDomain_99bdf104-2a3f-4413-88b4-493f710551c5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_245e3fd2-2d58-4b63-b51a-ec6478494d70" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_99bdf104-2a3f-4413-88b4-493f710551c5" xlink:to="loc_us-gaap_ReceivableTypeDomain_245e3fd2-2d58-4b63-b51a-ec6478494d70" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceReceivablesMember_9be44b1a-5e43-417e-be47-c98dc11a65e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceReceivablesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_245e3fd2-2d58-4b63-b51a-ec6478494d70" xlink:to="loc_us-gaap_FinanceReceivablesMember_9be44b1a-5e43-417e-be47-c98dc11a65e0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoansReceivableAndSecuritiesMember_c384e11f-fb9d-43d3-9d9b-d20c30e1d9ba" xlink:href="vici-20231231.xsd#vici_LoansReceivableAndSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_245e3fd2-2d58-4b63-b51a-ec6478494d70" xlink:to="loc_vici_LoansReceivableAndSecuritiesMember_c384e11f-fb9d-43d3-9d9b-d20c30e1d9ba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossAmortizationCostAbstract_46bd6674-fd93-4744-9de9-e43fe8ca99c8" xlink:href="vici-20231231.xsd#vici_NetInvestmentInLeaseAllowanceForCreditLossAmortizationCostAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_708e76f6-d993-455c-81ff-a69d20c03011" xlink:to="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossAmortizationCostAbstract_46bd6674-fd93-4744-9de9-e43fe8ca99c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLossAmortizedCost_54623dc0-c29d-4b90-8406-b01c65bd96f2" xlink:href="vici-20231231.xsd#vici_NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLossAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossAmortizationCostAbstract_46bd6674-fd93-4744-9de9-e43fe8ca99c8" xlink:to="loc_vici_NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLossAmortizedCost_54623dc0-c29d-4b90-8406-b01c65bd96f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_67ac5647-a913-44bc-be00-cefa5eec8c60" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossAmortizationCostAbstract_46bd6674-fd93-4744-9de9-e43fe8ca99c8" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_67ac5647-a913-44bc-be00-cefa5eec8c60" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OtherAssetsSalesTypeSubLeasesExcludingAccruedInterestBeforeAllowanceForCreditLosses_1d92f550-cd6a-48d2-be5d-586f52552cb6" xlink:href="vici-20231231.xsd#vici_OtherAssetsSalesTypeSubLeasesExcludingAccruedInterestBeforeAllowanceForCreditLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossAmortizationCostAbstract_46bd6674-fd93-4744-9de9-e43fe8ca99c8" xlink:to="loc_vici_OtherAssetsSalesTypeSubLeasesExcludingAccruedInterestBeforeAllowanceForCreditLosses_1d92f550-cd6a-48d2-be5d-586f52552cb6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAmortizedCost_0792381e-ebbd-4d26-bcd5-e99eb7695922" xlink:href="vici-20231231.xsd#vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossAmortizationCostAbstract_46bd6674-fd93-4744-9de9-e43fe8ca99c8" xlink:to="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAmortizedCost_0792381e-ebbd-4d26-bcd5-e99eb7695922" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossRecoveryAbstract_72a1fd31-9a8a-442f-b62e-3d210b3b8ebf" xlink:href="vici-20231231.xsd#vici_NetInvestmentInLeaseAllowanceForCreditLossRecoveryAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_708e76f6-d993-455c-81ff-a69d20c03011" xlink:to="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossRecoveryAbstract_72a1fd31-9a8a-442f-b62e-3d210b3b8ebf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest_a28c5657-82c7-46d0-b71b-2bfacd61c1ed" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossRecoveryAbstract_72a1fd31-9a8a-442f-b62e-3d210b3b8ebf" xlink:to="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossExcludingAccruedInterest_a28c5657-82c7-46d0-b71b-2bfacd61c1ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_610783aa-997f-497a-b2ac-b79785bbf1b8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossRecoveryAbstract_72a1fd31-9a8a-442f-b62e-3d210b3b8ebf" xlink:to="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_610783aa-997f-497a-b2ac-b79785bbf1b8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses_4954d9ec-6fec-42cb-990f-7e83963b8cc4" xlink:href="vici-20231231.xsd#vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossRecoveryAbstract_72a1fd31-9a8a-442f-b62e-3d210b3b8ebf" xlink:to="loc_vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses_4954d9ec-6fec-42cb-990f-7e83963b8cc4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAndOffBalanceSheetCreditLossAllowanceForCreditLoss_68fb19e4-0d05-4076-9c30-24dd604586e0" xlink:href="vici-20231231.xsd#vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAndOffBalanceSheetCreditLossAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossRecoveryAbstract_72a1fd31-9a8a-442f-b62e-3d210b3b8ebf" xlink:to="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAndOffBalanceSheetCreditLossAllowanceForCreditLoss_68fb19e4-0d05-4076-9c30-24dd604586e0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossAbstract_f89bf31c-9e5f-42a7-8b22-774175863f40" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentInLeaseAllowanceForCreditLossAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_708e76f6-d993-455c-81ff-a69d20c03011" xlink:to="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossAbstract_f89bf31c-9e5f-42a7-8b22-774175863f40" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_29fce01c-5607-4b75-8954-de28dd73b79a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossAbstract_f89bf31c-9e5f-42a7-8b22-774175863f40" xlink:to="loc_us-gaap_NetInvestmentInLeaseExcludingAccruedInterestAfterAllowanceForCreditLoss_29fce01c-5607-4b75-8954-de28dd73b79a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_3288425e-5fef-46bf-9d7f-984b3cca4ae6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossAbstract_f89bf31c-9e5f-42a7-8b22-774175863f40" xlink:to="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_3288425e-5fef-46bf-9d7f-984b3cca4ae6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OtherAssetsSalesTypeSubLeasesExcludingAccruedInterest_7005e1f4-d09b-4f4b-b9bd-251977644185" xlink:href="vici-20231231.xsd#vici_OtherAssetsSalesTypeSubLeasesExcludingAccruedInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossAbstract_f89bf31c-9e5f-42a7-8b22-774175863f40" xlink:to="loc_vici_OtherAssetsSalesTypeSubLeasesExcludingAccruedInterest_7005e1f4-d09b-4f4b-b9bd-251977644185" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAfterAllowanceForCreditLoss_7ea7a38d-fb57-4142-a3ff-b04b299d79ba" xlink:href="vici-20231231.xsd#vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetInvestmentInLeaseAllowanceForCreditLossAbstract_f89bf31c-9e5f-42a7-8b22-774175863f40" xlink:to="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAfterAllowanceForCreditLoss_7ea7a38d-fb57-4142-a3ff-b04b299d79ba" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossPercentageAbstract_1bc080df-c09f-48b9-bfb0-87ca2cb529f9" xlink:href="vici-20231231.xsd#vici_NetInvestmentInLeaseAllowanceForCreditLossPercentageAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_708e76f6-d993-455c-81ff-a69d20c03011" xlink:to="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossPercentageAbstract_1bc080df-c09f-48b9-bfb0-87ca2cb529f9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_NetInvestmentInLeaseExcludingAccruedInterestAllowanceForCreditLossPercentage_8417029a-0122-43cb-b79d-f44bb6331c50" xlink:href="vici-20231231.xsd#vici_NetInvestmentInLeaseExcludingAccruedInterestAllowanceForCreditLossPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossPercentageAbstract_1bc080df-c09f-48b9-bfb0-87ca2cb529f9" xlink:to="loc_vici_NetInvestmentInLeaseExcludingAccruedInterestAllowanceForCreditLossPercentage_8417029a-0122-43cb-b79d-f44bb6331c50" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossPercentage_ed1bf350-2544-4b7f-8d05-ba2c38591867" xlink:href="vici-20231231.xsd#vici_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossPercentageAbstract_1bc080df-c09f-48b9-bfb0-87ca2cb529f9" xlink:to="loc_vici_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossPercentage_ed1bf350-2544-4b7f-8d05-ba2c38591867" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OtherAssetsSalesTypeSubLeasesExcludingAccruedInterestAllowanceForCreditLossesPercentage_9fd5f5a6-0a4b-447f-8e7a-ed62c3647372" xlink:href="vici-20231231.xsd#vici_OtherAssetsSalesTypeSubLeasesExcludingAccruedInterestAllowanceForCreditLossesPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossPercentageAbstract_1bc080df-c09f-48b9-bfb0-87ca2cb529f9" xlink:to="loc_vici_OtherAssetsSalesTypeSubLeasesExcludingAccruedInterestAllowanceForCreditLossesPercentage_9fd5f5a6-0a4b-447f-8e7a-ed62c3647372" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAllowanceForCreditLossPercentage_9f5dd2f0-20a3-4dc7-9f60-68743e75c52a" xlink:href="vici-20231231.xsd#vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAllowanceForCreditLossPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_NetInvestmentInLeaseAllowanceForCreditLossPercentageAbstract_1bc080df-c09f-48b9-bfb0-87ca2cb529f9" xlink:to="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAllowanceForCreditLossPercentage_9f5dd2f0-20a3-4dc7-9f60-68743e75c52a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OffBalanceSheetCreditLossLiability_eda9dbea-8841-4a62-b690-d7d7e4c4b03a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OffBalanceSheetCreditLossLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_708e76f6-d993-455c-81ff-a69d20c03011" xlink:to="loc_us-gaap_OffBalanceSheetCreditLossLiability_eda9dbea-8841-4a62-b690-d7d7e4c4b03a" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/AllowanceforCreditLossesFinancingReceivableCreditQualityDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#AllowanceforCreditLossesFinancingReceivableCreditQualityDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/AllowanceforCreditLossesFinancingReceivableCreditQualityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_5713b478-3729-41d4-88c7-d3828086b75c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancingReceivableRecordedInvestmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_7e612c6c-c165-449d-9615-e0db46e6289f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_5713b478-3729-41d4-88c7-d3828086b75c" xlink:to="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_7e612c6c-c165-449d-9615-e0db46e6289f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CreditRatingMoodysAxis_3f2d5075-2f6d-4bbf-b79c-c0ad064bceef" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CreditRatingMoodysAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableRecordedInvestmentCreditQualityIndicatorTable_7e612c6c-c165-449d-9615-e0db46e6289f" xlink:to="loc_srt_CreditRatingMoodysAxis_3f2d5075-2f6d-4bbf-b79c-c0ad064bceef" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ExternalCreditRatingMoodysMember_3f2d5075-2f6d-4bbf-b79c-c0ad064bceef_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ExternalCreditRatingMoodysMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CreditRatingMoodysAxis_3f2d5075-2f6d-4bbf-b79c-c0ad064bceef" xlink:to="loc_srt_ExternalCreditRatingMoodysMember_3f2d5075-2f6d-4bbf-b79c-c0ad064bceef_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ExternalCreditRatingMoodysMember_b6709a91-4ce9-494f-ae00-91053158aa98" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ExternalCreditRatingMoodysMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CreditRatingMoodysAxis_3f2d5075-2f6d-4bbf-b79c-c0ad064bceef" xlink:to="loc_srt_ExternalCreditRatingMoodysMember_b6709a91-4ce9-494f-ae00-91053158aa98" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MoodysBa2RatingMember_6086f509-8858-4634-b807-464479733e5d" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MoodysBa2RatingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ExternalCreditRatingMoodysMember_b6709a91-4ce9-494f-ae00-91053158aa98" xlink:to="loc_srt_MoodysBa2RatingMember_6086f509-8858-4634-b807-464479733e5d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MoodysBa3RatingMember_3caec6d1-f7d3-40c8-b12e-0c013032aa3c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MoodysBa3RatingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ExternalCreditRatingMoodysMember_b6709a91-4ce9-494f-ae00-91053158aa98" xlink:to="loc_srt_MoodysBa3RatingMember_3caec6d1-f7d3-40c8-b12e-0c013032aa3c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MoodysB1RatingMember_4994c0c3-c35d-4c0c-a7ca-ccb4e78a888a" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MoodysB1RatingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ExternalCreditRatingMoodysMember_b6709a91-4ce9-494f-ae00-91053158aa98" xlink:to="loc_srt_MoodysB1RatingMember_4994c0c3-c35d-4c0c-a7ca-ccb4e78a888a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MoodysB2RatingMember_51321171-cb54-402e-90a7-dcd4b4098bbc" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MoodysB2RatingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ExternalCreditRatingMoodysMember_b6709a91-4ce9-494f-ae00-91053158aa98" xlink:to="loc_srt_MoodysB2RatingMember_51321171-cb54-402e-90a7-dcd4b4098bbc" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MoodysB3RatingMember_7ec42019-e172-4800-bdc6-57ff6b80c511" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MoodysB3RatingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ExternalCreditRatingMoodysMember_b6709a91-4ce9-494f-ae00-91053158aa98" xlink:to="loc_srt_MoodysB3RatingMember_7ec42019-e172-4800-bdc6-57ff6b80c511" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MoodysOtherRatingMember_e30d0c85-7741-4344-80a2-7d4c8941e702" xlink:href="vici-20231231.xsd#vici_MoodysOtherRatingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ExternalCreditRatingMoodysMember_b6709a91-4ce9-494f-ae00-91053158aa98" xlink:to="loc_vici_MoodysOtherRatingMember_e30d0c85-7741-4344-80a2-7d4c8941e702" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAmortizedCost_956c25c2-c4de-4869-8ccc-b895447e9e33" xlink:href="vici-20231231.xsd#vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAmortizedCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentLineItems_5713b478-3729-41d4-88c7-d3828086b75c" xlink:to="loc_vici_FinancingReceivablesNetInvestmentInLeaseAndLoansExcludingAccruedInterestAmortizedCost_956c25c2-c4de-4869-8ccc-b895447e9e33" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/OtherAssetsandOtherLiabilitiesScheduleofPropertyandEquipmentUsedinOperationsDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#OtherAssetsandOtherLiabilitiesScheduleofPropertyandEquipmentUsedinOperationsDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/OtherAssetsandOtherLiabilitiesScheduleofPropertyandEquipmentUsedinOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f6f3d5bf-293c-4b26-81d7-abe54e502bf8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_613f7f38-f10d-4985-a956-d808ae6a3e8c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f6f3d5bf-293c-4b26-81d7-abe54e502bf8" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_613f7f38-f10d-4985-a956-d808ae6a3e8c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_206c2620-77df-4672-a867-57d4771eae0b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_613f7f38-f10d-4985-a956-d808ae6a3e8c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_206c2620-77df-4672-a867-57d4771eae0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_206c2620-77df-4672-a867-57d4771eae0b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_206c2620-77df-4672-a867-57d4771eae0b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_206c2620-77df-4672-a867-57d4771eae0b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_910d2c37-c951-44d2-8417-31112d138626" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_206c2620-77df-4672-a867-57d4771eae0b" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_910d2c37-c951-44d2-8417-31112d138626" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandAndLandImprovementsMember_0203844d-9fd4-458f-a467-2c905f4d49f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LandAndLandImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_910d2c37-c951-44d2-8417-31112d138626" xlink:to="loc_us-gaap_LandAndLandImprovementsMember_0203844d-9fd4-458f-a467-2c905f4d49f7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BuildingAndBuildingImprovementsMember_2ee6f5ae-bf5d-4fdc-b578-bc7b58fa1235" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BuildingAndBuildingImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_910d2c37-c951-44d2-8417-31112d138626" xlink:to="loc_us-gaap_BuildingAndBuildingImprovementsMember_2ee6f5ae-bf5d-4fdc-b578-bc7b58fa1235" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FurnitureAndEquipmentIncludingCapitalLeasesMember_035efb58-65f9-43fa-93e8-680eac6965cb" xlink:href="vici-20231231.xsd#vici_FurnitureAndEquipmentIncludingCapitalLeasesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_910d2c37-c951-44d2-8417-31112d138626" xlink:to="loc_vici_FurnitureAndEquipmentIncludingCapitalLeasesMember_035efb58-65f9-43fa-93e8-680eac6965cb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_a7c3421e-1d25-42c5-b7e1-8d6284e880b3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f6f3d5bf-293c-4b26-81d7-abe54e502bf8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_a7c3421e-1d25-42c5-b7e1-8d6284e880b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_093cacea-13f5-4af8-8a8b-aaa6d932c6f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f6f3d5bf-293c-4b26-81d7-abe54e502bf8" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_093cacea-13f5-4af8-8a8b-aaa6d932c6f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_f69d24a1-f761-43a9-a14d-c0833f3a5d84" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f6f3d5bf-293c-4b26-81d7-abe54e502bf8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_f69d24a1-f761-43a9-a14d-c0833f3a5d84" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_6754f2b5-3d27-45d9-91fe-6586add9ab1e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f6f3d5bf-293c-4b26-81d7-abe54e502bf8" xlink:to="loc_us-gaap_Depreciation_6754f2b5-3d27-45d9-91fe-6586add9ab1e" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/DebtScheduleOfOutstandingIndebtednessDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#DebtScheduleOfOutstandingIndebtednessDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/DebtScheduleOfOutstandingIndebtednessDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_8b811589-0f63-4e7b-b1b2-351de2e54187" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_us-gaap_DebtInstrumentTable_8b811589-0f63-4e7b-b1b2-351de2e54187" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_0b21081d-6926-4c32-82f8-aa3b2f9608b9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_8b811589-0f63-4e7b-b1b2-351de2e54187" xlink:to="loc_us-gaap_CreditFacilityAxis_0b21081d-6926-4c32-82f8-aa3b2f9608b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_0b21081d-6926-4c32-82f8-aa3b2f9608b9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_0b21081d-6926-4c32-82f8-aa3b2f9608b9" xlink:to="loc_us-gaap_CreditFacilityDomain_0b21081d-6926-4c32-82f8-aa3b2f9608b9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_ff9eca25-e528-4b78-b27d-0356716456df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_0b21081d-6926-4c32-82f8-aa3b2f9608b9" xlink:to="loc_us-gaap_CreditFacilityDomain_ff9eca25-e528-4b78-b27d-0356716456df" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_796ea297-533e-408d-8d3a-b26456888a28" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_ff9eca25-e528-4b78-b27d-0356716456df" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_796ea297-533e-408d-8d3a-b26456888a28" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SecuredRevolvingCreditFacilityMember_801957ed-c61e-446b-8e85-eee81e2d60a6" xlink:href="vici-20231231.xsd#vici_SecuredRevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_ff9eca25-e528-4b78-b27d-0356716456df" xlink:to="loc_vici_SecuredRevolvingCreditFacilityMember_801957ed-c61e-446b-8e85-eee81e2d60a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_3457423d-1fda-4c9a-a3a1-7e8713dfa01f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_8b811589-0f63-4e7b-b1b2-351de2e54187" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_3457423d-1fda-4c9a-a3a1-7e8713dfa01f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_3457423d-1fda-4c9a-a3a1-7e8713dfa01f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_3457423d-1fda-4c9a-a3a1-7e8713dfa01f" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_3457423d-1fda-4c9a-a3a1-7e8713dfa01f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_559b2dcb-61ce-4b26-8027-853e9e0ac370" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_3457423d-1fda-4c9a-a3a1-7e8713dfa01f" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_559b2dcb-61ce-4b26-8027-853e9e0ac370" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_68196747-8f10-40c2-9806-c1efc21a7745" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_559b2dcb-61ce-4b26-8027-853e9e0ac370" xlink:to="loc_us-gaap_SeniorNotesMember_68196747-8f10-40c2-9806-c1efc21a7745" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_c76fe294-4608-468a-b737-6dbf1b0b7f86" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_559b2dcb-61ce-4b26-8027-853e9e0ac370" xlink:to="loc_us-gaap_UnsecuredDebtMember_c76fe294-4608-468a-b737-6dbf1b0b7f86" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_5e0a32c0-e00d-4661-aa1d-65f3b197ca7d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_8b811589-0f63-4e7b-b1b2-351de2e54187" xlink:to="loc_us-gaap_VariableRateAxis_5e0a32c0-e00d-4661-aa1d-65f3b197ca7d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_5e0a32c0-e00d-4661-aa1d-65f3b197ca7d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_5e0a32c0-e00d-4661-aa1d-65f3b197ca7d" xlink:to="loc_us-gaap_VariableRateDomain_5e0a32c0-e00d-4661-aa1d-65f3b197ca7d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_ec5dd278-727d-4506-a042-5dd52a5e291e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_5e0a32c0-e00d-4661-aa1d-65f3b197ca7d" xlink:to="loc_us-gaap_VariableRateDomain_ec5dd278-727d-4506-a042-5dd52a5e291e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SecuredOvernightFinancingRateSOFRMember_8ab6b4e1-a7f8-4bd1-ac3d-f3bf52fc194a" xlink:href="vici-20231231.xsd#vici_SecuredOvernightFinancingRateSOFRMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_ec5dd278-727d-4506-a042-5dd52a5e291e" xlink:to="loc_vici_SecuredOvernightFinancingRateSOFRMember_8ab6b4e1-a7f8-4bd1-ac3d-f3bf52fc194a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CanadianDollarOfferedRateCDORMember_f0480cf3-6152-4141-b5b1-75f13642e65d" xlink:href="vici-20231231.xsd#vici_CanadianDollarOfferedRateCDORMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_ec5dd278-727d-4506-a042-5dd52a5e291e" xlink:to="loc_vici_CanadianDollarOfferedRateCDORMember_f0480cf3-6152-4141-b5b1-75f13642e65d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SterlingOvernightIndexAverageSONIAMember_7ad8a27c-813d-4476-a7eb-6fc7b55b6279" xlink:href="vici-20231231.xsd#vici_SterlingOvernightIndexAverageSONIAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_ec5dd278-727d-4506-a042-5dd52a5e291e" xlink:to="loc_vici_SterlingOvernightIndexAverageSONIAMember_7ad8a27c-813d-4476-a7eb-6fc7b55b6279" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_b429c92c-f1f6-4587-bd47-33cd73c37af9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_8b811589-0f63-4e7b-b1b2-351de2e54187" xlink:to="loc_us-gaap_DebtInstrumentAxis_b429c92c-f1f6-4587-bd47-33cd73c37af9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_b429c92c-f1f6-4587-bd47-33cd73c37af9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_b429c92c-f1f6-4587-bd47-33cd73c37af9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_b429c92c-f1f6-4587-bd47-33cd73c37af9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_b429c92c-f1f6-4587-bd47-33cd73c37af9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DelayedDrawTermLoanMember_b9dab3bc-b82c-4aaa-a2c9-5ff447068f53" xlink:href="vici-20231231.xsd#vici_DelayedDrawTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_DelayedDrawTermLoanMember_b9dab3bc-b82c-4aaa-a2c9-5ff447068f53" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_November2019NotesSeniorUnsecuredNotesDue2026Member_4a646e6a-d3a6-4039-b5b3-8ea4c4f14cd9" xlink:href="vici-20231231.xsd#vici_November2019NotesSeniorUnsecuredNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_November2019NotesSeniorUnsecuredNotesDue2026Member_4a646e6a-d3a6-4039-b5b3-8ea4c4f14cd9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_November2019NotesSeniorUnsecuredNotesDue2029Member_bee07600-2c9b-4248-ab5e-9a851df4402b" xlink:href="vici-20231231.xsd#vici_November2019NotesSeniorUnsecuredNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_November2019NotesSeniorUnsecuredNotesDue2029Member_bee07600-2c9b-4248-ab5e-9a851df4402b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_February2020NotesSeniorUnsecuredNotesDue2025Member_d6117ffe-ee9f-402b-9756-5a29b431c309" xlink:href="vici-20231231.xsd#vici_February2020NotesSeniorUnsecuredNotesDue2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_February2020NotesSeniorUnsecuredNotesDue2025Member_d6117ffe-ee9f-402b-9756-5a29b431c309" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_February2020NotesSeniorUnsecuredNotesDue2027Member_10f8ef09-dfe1-4a8a-9b00-c7fb25dfc110" xlink:href="vici-20231231.xsd#vici_February2020NotesSeniorUnsecuredNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_February2020NotesSeniorUnsecuredNotesDue2027Member_10f8ef09-dfe1-4a8a-9b00-c7fb25dfc110" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_February2020NotesSeniorUnsecuredNotesDue2030Member_b219bbe0-2932-428e-86b0-c9d51a4e9fbc" xlink:href="vici-20231231.xsd#vici_February2020NotesSeniorUnsecuredNotesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_February2020NotesSeniorUnsecuredNotesDue2030Member_b219bbe0-2932-428e-86b0-c9d51a4e9fbc" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_April2022Notes4375SeniorUnsecuredNotesDue2025Member_c9324313-c0a3-404a-95d9-74b10e80e020" xlink:href="vici-20231231.xsd#vici_April2022Notes4375SeniorUnsecuredNotesDue2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_April2022Notes4375SeniorUnsecuredNotesDue2025Member_c9324313-c0a3-404a-95d9-74b10e80e020" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_April2022Notes4750SeniorUnsecuredNotesDue2028Member_63f97c31-70e0-4046-ab36-23189aa47d33" xlink:href="vici-20231231.xsd#vici_April2022Notes4750SeniorUnsecuredNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_April2022Notes4750SeniorUnsecuredNotesDue2028Member_63f97c31-70e0-4046-ab36-23189aa47d33" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_April2022Notes4950SeniorUnsecuredNotesDue2030Member_1b78c284-3ac3-420d-8603-cccc460c649d" xlink:href="vici-20231231.xsd#vici_April2022Notes4950SeniorUnsecuredNotesDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_April2022Notes4950SeniorUnsecuredNotesDue2030Member_1b78c284-3ac3-420d-8603-cccc460c649d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_April2022Notes5125SeniorUnsecuredNotesDue2032Member_49350b62-3287-43cf-8d14-adef2be54d31" xlink:href="vici-20231231.xsd#vici_April2022Notes5125SeniorUnsecuredNotesDue2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_April2022Notes5125SeniorUnsecuredNotesDue2032Member_49350b62-3287-43cf-8d14-adef2be54d31" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_April2022Notes5625SeniorUnsecuredNotesDue2052Member_7343da2e-d5b0-4e80-b943-b6d1a27a20bc" xlink:href="vici-20231231.xsd#vici_April2022Notes5625SeniorUnsecuredNotesDue2052Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_April2022Notes5625SeniorUnsecuredNotesDue2052Member_7343da2e-d5b0-4e80-b943-b6d1a27a20bc" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2024Member_d19260ca-2be4-4f44-ab28-07ba6be9bc58" xlink:href="vici-20231231.xsd#vici_ExchangeNotesSeniorUnsecuredNotesDue2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2024Member_d19260ca-2be4-4f44-ab28-07ba6be9bc58" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2025Member_d9b20e11-a4cc-41f7-981e-ac78446858ec" xlink:href="vici-20231231.xsd#vici_ExchangeNotesSeniorUnsecuredNotesDue2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2025Member_d9b20e11-a4cc-41f7-981e-ac78446858ec" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2026Member_0861876b-b335-42e6-bb0d-e47af5e0a470" xlink:href="vici-20231231.xsd#vici_ExchangeNotesSeniorUnsecuredNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2026Member_0861876b-b335-42e6-bb0d-e47af5e0a470" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2027Member_5d3ae290-a09a-4d72-a5ce-2a074ad12a21" xlink:href="vici-20231231.xsd#vici_ExchangeNotesSeniorUnsecuredNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2027Member_5d3ae290-a09a-4d72-a5ce-2a074ad12a21" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2028Member_9c4aa6ce-4fce-4bc7-935d-f705461683e2" xlink:href="vici-20231231.xsd#vici_ExchangeNotesSeniorUnsecuredNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2028Member_9c4aa6ce-4fce-4bc7-935d-f705461683e2" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2029Member_2de25e78-2e73-4bdb-9426-6e9f9186fdd9" xlink:href="vici-20231231.xsd#vici_ExchangeNotesSeniorUnsecuredNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_ExchangeNotesSeniorUnsecuredNotesDue2029Member_2de25e78-2e73-4bdb-9426-6e9f9186fdd9" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPOPNotesDue2024Member_649b6ea4-0bbf-42e8-bf3d-f8c5aaa169d4" xlink:href="vici-20231231.xsd#vici_MGPOPNotesDue2024Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_MGPOPNotesDue2024Member_649b6ea4-0bbf-42e8-bf3d-f8c5aaa169d4" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPOPNotesDue2025Member_4558d865-180a-4b75-a7ed-ed16c9f5dc45" xlink:href="vici-20231231.xsd#vici_MGPOPNotesDue2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_MGPOPNotesDue2025Member_4558d865-180a-4b75-a7ed-ed16c9f5dc45" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPOPNotesDue2026Member_18001e6f-5dbb-4fe9-9439-5945c7aa70e5" xlink:href="vici-20231231.xsd#vici_MGPOPNotesDue2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_MGPOPNotesDue2026Member_18001e6f-5dbb-4fe9-9439-5945c7aa70e5" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPOPNotesDue2027Member_55131497-64d1-48fc-a8e5-22ec24ff6370" xlink:href="vici-20231231.xsd#vici_MGPOPNotesDue2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_MGPOPNotesDue2027Member_55131497-64d1-48fc-a8e5-22ec24ff6370" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPOPNotesDue2028Member_939adb85-924c-4ac4-93a7-9a5b43402447" xlink:href="vici-20231231.xsd#vici_MGPOPNotesDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_MGPOPNotesDue2028Member_939adb85-924c-4ac4-93a7-9a5b43402447" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPOPNotesDue2029Member_6c9e63b5-4c5a-4f1d-bd78-6a9780a69caa" xlink:href="vici-20231231.xsd#vici_MGPOPNotesDue2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_MGPOPNotesDue2029Member_6c9e63b5-4c5a-4f1d-bd78-6a9780a69caa" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVCMBSDebtMember_5abadb12-9454-455c-afd6-a332860d3161" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVCMBSDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_6ae772ac-e110-4efb-a0cd-1b3156e5072a" xlink:to="loc_vici_MGMGrandMandalayBayJVCMBSDebtMember_5abadb12-9454-455c-afd6-a332860d3161" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_3ae4e207-f387-43b6-b5d8-5a205f93f8d1" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_8b811589-0f63-4e7b-b1b2-351de2e54187" xlink:to="loc_srt_RangeAxis_3ae4e207-f387-43b6-b5d8-5a205f93f8d1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_3ae4e207-f387-43b6-b5d8-5a205f93f8d1_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_3ae4e207-f387-43b6-b5d8-5a205f93f8d1" xlink:to="loc_srt_RangeMember_3ae4e207-f387-43b6-b5d8-5a205f93f8d1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_fd89b65e-9c39-435f-bc52-5ccd0172eb25" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_3ae4e207-f387-43b6-b5d8-5a205f93f8d1" xlink:to="loc_srt_RangeMember_fd89b65e-9c39-435f-bc52-5ccd0172eb25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_3bdec8eb-4846-42ea-8936-c9e214ab21ea" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_fd89b65e-9c39-435f-bc52-5ccd0172eb25" xlink:to="loc_srt_MinimumMember_3bdec8eb-4846-42ea-8936-c9e214ab21ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_2f2c20ec-9013-497f-bcda-03756699b394" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_fd89b65e-9c39-435f-bc52-5ccd0172eb25" xlink:to="loc_srt_MaximumMember_2f2c20ec-9013-497f-bcda-03756699b394" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CurrencyAxis_06e4e1ee-c2bc-4041-b6f6-ad948c271d8b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_CurrencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_8b811589-0f63-4e7b-b1b2-351de2e54187" xlink:to="loc_srt_CurrencyAxis_06e4e1ee-c2bc-4041-b6f6-ad948c271d8b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain_06e4e1ee-c2bc-4041-b6f6-ad948c271d8b_default" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_AllCurrenciesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CurrencyAxis_06e4e1ee-c2bc-4041-b6f6-ad948c271d8b" xlink:to="loc_currency_AllCurrenciesDomain_06e4e1ee-c2bc-4041-b6f6-ad948c271d8b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_AllCurrenciesDomain_fdab4865-768c-471a-afdf-4f18ed797f59" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_AllCurrenciesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CurrencyAxis_06e4e1ee-c2bc-4041-b6f6-ad948c271d8b" xlink:to="loc_currency_AllCurrenciesDomain_fdab4865-768c-471a-afdf-4f18ed797f59" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_USD_c99894a3-790a-49a3-8231-0ca0ab46532b" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_USD"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_fdab4865-768c-471a-afdf-4f18ed797f59" xlink:to="loc_currency_USD_c99894a3-790a-49a3-8231-0ca0ab46532b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_CAD_07502c90-e47f-4d89-aed2-591cb5ae5e03" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_CAD"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_fdab4865-768c-471a-afdf-4f18ed797f59" xlink:to="loc_currency_CAD_07502c90-e47f-4d89-aed2-591cb5ae5e03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_currency_GBP_96d2bb00-0cb5-4b8b-84af-68fe79164949" xlink:href="https://xbrl.sec.gov/currency/2023/currency-2023.xsd#currency_GBP"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_currency_AllCurrenciesDomain_fdab4865-768c-471a-afdf-4f18ed797f59" xlink:to="loc_currency_GBP_96d2bb00-0cb5-4b8b-84af-68fe79164949" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7f81649e-5468-4956-8a25-df1b1e693782" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7f81649e-5468-4956-8a25-df1b1e693782" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_38de4a2f-7a2a-450e-b4cc-34a2678fe1d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_38de4a2f-7a2a-450e-b4cc-34a2678fe1d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DebtInstrumentInterestRateHedgeAdjustedPercentage_f2a26382-eefd-4289-b96a-396974e2a4ef" xlink:href="vici-20231231.xsd#vici_DebtInstrumentInterestRateHedgeAdjustedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_vici_DebtInstrumentInterestRateHedgeAdjustedPercentage_f2a26382-eefd-4289-b96a-396974e2a4ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate_65ef5210-dd8f-4be0-a592-44334d241b07" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_us-gaap_DebtWeightedAverageInterestRate_65ef5210-dd8f-4be0-a592-44334d241b07" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_91430310-fa79-4483-b435-147d0f3cfafb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_91430310-fa79-4483-b435-147d0f3cfafb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_b02a00a4-f8c1-4c8e-aeb6-0fcba5dd8473" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_us-gaap_LongTermDebt_b02a00a4-f8c1-4c8e-aeb6-0fcba5dd8473" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DebtInstrumentBasisSpreadOnVariableRateAdjustment_99384b18-e189-4bf9-aa03-c590943ad682" xlink:href="vici-20231231.xsd#vici_DebtInstrumentBasisSpreadOnVariableRateAdjustment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_vici_DebtInstrumentBasisSpreadOnVariableRateAdjustment_99384b18-e189-4bf9-aa03-c590943ad682" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_83d3a611-a8c4-45c3-baaf-dc7b14a75201" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_83d3a611-a8c4-45c3-baaf-dc7b14a75201" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_12525469-3102-477a-adcf-c5145e963bbc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_b82ca13f-273c-4cd2-aeca-9a3de56c11d4" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_12525469-3102-477a-adcf-c5145e963bbc" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/DebtSeniorUnsecuredDebtDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#DebtSeniorUnsecuredDebtDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/DebtSeniorUnsecuredDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_cb5c5280-98e2-4220-b17c-376d77c2565d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_7e143672-4977-4ef5-a0ab-b09994c94d4a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cb5c5280-98e2-4220-b17c-376d77c2565d" xlink:to="loc_us-gaap_DebtInstrumentTable_7e143672-4977-4ef5-a0ab-b09994c94d4a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_4d2b5302-51bf-45c8-ab21-10f05130edb6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_7e143672-4977-4ef5-a0ab-b09994c94d4a" xlink:to="loc_us-gaap_DebtInstrumentAxis_4d2b5302-51bf-45c8-ab21-10f05130edb6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4d2b5302-51bf-45c8-ab21-10f05130edb6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_4d2b5302-51bf-45c8-ab21-10f05130edb6" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4d2b5302-51bf-45c8-ab21-10f05130edb6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_4b6e5f8c-0e9a-46d8-86b0-8b4f182173dd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_4d2b5302-51bf-45c8-ab21-10f05130edb6" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_4b6e5f8c-0e9a-46d8-86b0-8b4f182173dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_November2019NotesSeniorUnsecuredNotesMember_971ddfa6-bb51-4e9c-8ae8-a61abe8e185c" xlink:href="vici-20231231.xsd#vici_November2019NotesSeniorUnsecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4b6e5f8c-0e9a-46d8-86b0-8b4f182173dd" xlink:to="loc_vici_November2019NotesSeniorUnsecuredNotesMember_971ddfa6-bb51-4e9c-8ae8-a61abe8e185c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_February2020NotesSeniorUnsecuredNotesMember_998b79be-8819-4dce-9bd7-770d8a1e667f" xlink:href="vici-20231231.xsd#vici_February2020NotesSeniorUnsecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4b6e5f8c-0e9a-46d8-86b0-8b4f182173dd" xlink:to="loc_vici_February2020NotesSeniorUnsecuredNotesMember_998b79be-8819-4dce-9bd7-770d8a1e667f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SeniorUnsecuredApril2022NotesMember_66d629a6-3eb0-4fba-afb7-e4edbdfe9551" xlink:href="vici-20231231.xsd#vici_SeniorUnsecuredApril2022NotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4b6e5f8c-0e9a-46d8-86b0-8b4f182173dd" xlink:to="loc_vici_SeniorUnsecuredApril2022NotesMember_66d629a6-3eb0-4fba-afb7-e4edbdfe9551" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ExchangeNotesMember_159378b5-eb22-453a-9755-3805baf5502b" xlink:href="vici-20231231.xsd#vici_ExchangeNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4b6e5f8c-0e9a-46d8-86b0-8b4f182173dd" xlink:to="loc_vici_ExchangeNotesMember_159378b5-eb22-453a-9755-3805baf5502b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPOPNotesMember_792b9692-874a-4dda-b4e9-d504f1022198" xlink:href="vici-20231231.xsd#vici_MGPOPNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_4b6e5f8c-0e9a-46d8-86b0-8b4f182173dd" xlink:to="loc_vici_MGPOPNotesMember_792b9692-874a-4dda-b4e9-d504f1022198" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_549d53fd-c599-481f-a5d1-d4aee37fbf84" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_7e143672-4977-4ef5-a0ab-b09994c94d4a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_549d53fd-c599-481f-a5d1-d4aee37fbf84" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_549d53fd-c599-481f-a5d1-d4aee37fbf84_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_549d53fd-c599-481f-a5d1-d4aee37fbf84" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_549d53fd-c599-481f-a5d1-d4aee37fbf84_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_29ab6469-3716-42e9-bfc8-e40b661de062" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_549d53fd-c599-481f-a5d1-d4aee37fbf84" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_29ab6469-3716-42e9-bfc8-e40b661de062" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_30f8208d-1206-4126-b8d7-e030ff311a43" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_29ab6469-3716-42e9-bfc8-e40b661de062" xlink:to="loc_us-gaap_UnsecuredDebtMember_30f8208d-1206-4126-b8d7-e030ff311a43" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_75385024-515b-446d-8508-ee7d44f747b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cb5c5280-98e2-4220-b17c-376d77c2565d" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_75385024-515b-446d-8508-ee7d44f747b5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_3ef95e86-e4fb-4978-9468-ee3bb56b04d1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cb5c5280-98e2-4220-b17c-376d77c2565d" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_3ef95e86-e4fb-4978-9468-ee3bb56b04d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DebtCovenantRatioOfUnencumberedAssetsToUnsecuredIndebtedness_ac4fff0f-969e-41e4-afde-1b3c0f4ca5c2" xlink:href="vici-20231231.xsd#vici_DebtCovenantRatioOfUnencumberedAssetsToUnsecuredIndebtedness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_cb5c5280-98e2-4220-b17c-376d77c2565d" xlink:to="loc_vici_DebtCovenantRatioOfUnencumberedAssetsToUnsecuredIndebtedness_ac4fff0f-969e-41e4-afde-1b3c0f4ca5c2" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/DebtNewUnsecuredCreditFacilitiesDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#DebtNewUnsecuredCreditFacilitiesDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/DebtNewUnsecuredCreditFacilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_a4b3ed26-5768-4c8f-be79-13498312de33" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_a4b3ed26-5768-4c8f-be79-13498312de33" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_12bb82f3-aaa7-43d4-ba8a-6e6031ccf075" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_a4b3ed26-5768-4c8f-be79-13498312de33" xlink:to="loc_us-gaap_CreditFacilityAxis_12bb82f3-aaa7-43d4-ba8a-6e6031ccf075" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_12bb82f3-aaa7-43d4-ba8a-6e6031ccf075_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_12bb82f3-aaa7-43d4-ba8a-6e6031ccf075" xlink:to="loc_us-gaap_CreditFacilityDomain_12bb82f3-aaa7-43d4-ba8a-6e6031ccf075_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_550ae9d3-92b5-4e4a-96d7-9e541f5df87e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_12bb82f3-aaa7-43d4-ba8a-6e6031ccf075" xlink:to="loc_us-gaap_CreditFacilityDomain_550ae9d3-92b5-4e4a-96d7-9e541f5df87e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_6dbfe1f4-f8a8-41f3-8c93-05eaedf25756" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_550ae9d3-92b5-4e4a-96d7-9e541f5df87e" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_6dbfe1f4-f8a8-41f3-8c93-05eaedf25756" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_DelayedDrawTermLoanMember_09faa7a7-51a3-4d6a-bc27-6878c9e6cf34" xlink:href="vici-20231231.xsd#vici_DelayedDrawTermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_550ae9d3-92b5-4e4a-96d7-9e541f5df87e" xlink:to="loc_vici_DelayedDrawTermLoanMember_09faa7a7-51a3-4d6a-bc27-6878c9e6cf34" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SecuredRevolvingCreditFacilityMember_80f4d499-8d59-49ab-8286-7f91b187cba2" xlink:href="vici-20231231.xsd#vici_SecuredRevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_550ae9d3-92b5-4e4a-96d7-9e541f5df87e" xlink:to="loc_vici_SecuredRevolvingCreditFacilityMember_80f4d499-8d59-49ab-8286-7f91b187cba2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_d73583ee-c5b8-401c-b96e-775ccb55e35c" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_a4b3ed26-5768-4c8f-be79-13498312de33" xlink:to="loc_srt_RangeAxis_d73583ee-c5b8-401c-b96e-775ccb55e35c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d73583ee-c5b8-401c-b96e-775ccb55e35c_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_d73583ee-c5b8-401c-b96e-775ccb55e35c" xlink:to="loc_srt_RangeMember_d73583ee-c5b8-401c-b96e-775ccb55e35c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_3cef62a8-8546-40d8-a07c-bcf9f533b545" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_d73583ee-c5b8-401c-b96e-775ccb55e35c" xlink:to="loc_srt_RangeMember_3cef62a8-8546-40d8-a07c-bcf9f533b545" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_f3231d54-5aa2-4a84-9563-9f15cac1480f" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_3cef62a8-8546-40d8-a07c-bcf9f533b545" xlink:to="loc_srt_MinimumMember_f3231d54-5aa2-4a84-9563-9f15cac1480f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_27eafcca-c95a-498a-a3f8-daeb95069757" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_3cef62a8-8546-40d8-a07c-bcf9f533b545" xlink:to="loc_srt_MaximumMember_27eafcca-c95a-498a-a3f8-daeb95069757" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_ecd93c80-28be-4016-8896-d6a7c6940615" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_a4b3ed26-5768-4c8f-be79-13498312de33" xlink:to="loc_us-gaap_VariableRateAxis_ecd93c80-28be-4016-8896-d6a7c6940615" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_ecd93c80-28be-4016-8896-d6a7c6940615_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_ecd93c80-28be-4016-8896-d6a7c6940615" xlink:to="loc_us-gaap_VariableRateDomain_ecd93c80-28be-4016-8896-d6a7c6940615_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_58cf4998-e1cb-4f91-a5bc-d9b45c545c76" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_ecd93c80-28be-4016-8896-d6a7c6940615" xlink:to="loc_us-gaap_VariableRateDomain_58cf4998-e1cb-4f91-a5bc-d9b45c545c76" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SecuredOvernightFinancingRateSOFRMember_2168072e-143c-43ce-ac7c-e5636e088b67" xlink:href="vici-20231231.xsd#vici_SecuredOvernightFinancingRateSOFRMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_58cf4998-e1cb-4f91-a5bc-d9b45c545c76" xlink:to="loc_vici_SecuredOvernightFinancingRateSOFRMember_2168072e-143c-43ce-ac7c-e5636e088b67" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_bcd3ca36-9678-4b7b-a6a6-42962a32ebec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_58cf4998-e1cb-4f91-a5bc-d9b45c545c76" xlink:to="loc_us-gaap_BaseRateMember_bcd3ca36-9678-4b7b-a6a6-42962a32ebec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FederalReserveBankOfNewYorkRateMember_1106dd7b-2189-4dbe-9689-74e78647a665" xlink:href="vici-20231231.xsd#vici_FederalReserveBankOfNewYorkRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_58cf4998-e1cb-4f91-a5bc-d9b45c545c76" xlink:to="loc_vici_FederalReserveBankOfNewYorkRateMember_1106dd7b-2189-4dbe-9689-74e78647a665" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PRIMCANIndexRateMember_310bcbf5-181c-43d8-b35b-be9aa5adc4d1" xlink:href="vici-20231231.xsd#vici_PRIMCANIndexRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_58cf4998-e1cb-4f91-a5bc-d9b45c545c76" xlink:to="loc_vici_PRIMCANIndexRateMember_310bcbf5-181c-43d8-b35b-be9aa5adc4d1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_3c861cb7-64bb-4381-9563-2f905f66f91b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_3c861cb7-64bb-4381-9563-2f905f66f91b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LineOfCreditFacilityNumberOfExtensionOptions_22e1a7ef-e1f2-4e9d-8726-eb95b4f3f0fb" xlink:href="vici-20231231.xsd#vici_LineOfCreditFacilityNumberOfExtensionOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:to="loc_vici_LineOfCreditFacilityNumberOfExtensionOptions_22e1a7ef-e1f2-4e9d-8726-eb95b4f3f0fb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LineOfCreditFacilityExtensionTerm_54f021db-6186-41d8-9abc-41a23f0c5074" xlink:href="vici-20231231.xsd#vici_LineOfCreditFacilityExtensionTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:to="loc_vici_LineOfCreditFacilityExtensionTerm_54f021db-6186-41d8-9abc-41a23f0c5074" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LineOfCreditFacilityExtensionFeePercentage_7b71808a-cca1-4f00-8458-323c5ea0b31f" xlink:href="vici-20231231.xsd#vici_LineOfCreditFacilityExtensionFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:to="loc_vici_LineOfCreditFacilityExtensionFeePercentage_7b71808a-cca1-4f00-8458-323c5ea0b31f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LineOfCreditFacilityIncreaseDecreaseInBorrowingCapacity_c79173c9-4a2a-43aa-bb29-83b24075246e" xlink:href="vici-20231231.xsd#vici_LineOfCreditFacilityIncreaseDecreaseInBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:to="loc_vici_LineOfCreditFacilityIncreaseDecreaseInBorrowingCapacity_c79173c9-4a2a-43aa-bb29-83b24075246e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_bfbceea4-6111-412e-954b-6375b112abce" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_bfbceea4-6111-412e-954b-6375b112abce" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LineOfCreditFacilityFacilityFeePercentage_74ec967c-abde-42df-8b97-57565ee9e77f" xlink:href="vici-20231231.xsd#vici_LineOfCreditFacilityFacilityFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:to="loc_vici_LineOfCreditFacilityFacilityFeePercentage_74ec967c-abde-42df-8b97-57565ee9e77f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_a5e81aa8-ab75-4d4d-8338-2481629ca9b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_b7dc289c-86f9-43e3-ae7e-4ea91cc7776c" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_a5e81aa8-ab75-4d4d-8338-2481629ca9b4" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/DebtSeniorSecuredCreditFacilitiesDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#DebtSeniorSecuredCreditFacilitiesDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/DebtSeniorSecuredCreditFacilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_8902865f-0945-4dd6-b4c8-b567fc49247f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_de8e866a-142c-49b8-b2ed-c14a20e2ef3c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8902865f-0945-4dd6-b4c8-b567fc49247f" xlink:to="loc_us-gaap_DebtInstrumentTable_de8e866a-142c-49b8-b2ed-c14a20e2ef3c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_5612a607-1a2a-4834-a5f0-d29db92616e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_de8e866a-142c-49b8-b2ed-c14a20e2ef3c" xlink:to="loc_us-gaap_DebtInstrumentAxis_5612a607-1a2a-4834-a5f0-d29db92616e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5612a607-1a2a-4834-a5f0-d29db92616e7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_5612a607-1a2a-4834-a5f0-d29db92616e7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5612a607-1a2a-4834-a5f0-d29db92616e7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d719f80b-d50d-4c0f-8452-63f7780f848c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_5612a607-1a2a-4834-a5f0-d29db92616e7" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d719f80b-d50d-4c0f-8452-63f7780f848c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_TermBLoanFacilityMember_b0936e5f-4e04-46fe-a0e1-2e30ca8471b0" xlink:href="vici-20231231.xsd#vici_TermBLoanFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_d719f80b-d50d-4c0f-8452-63f7780f848c" xlink:to="loc_vici_TermBLoanFacilityMember_b0936e5f-4e04-46fe-a0e1-2e30ca8471b0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_6cf98707-ef83-4f83-b9f0-2750ed79a81f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_de8e866a-142c-49b8-b2ed-c14a20e2ef3c" xlink:to="loc_us-gaap_CreditFacilityAxis_6cf98707-ef83-4f83-b9f0-2750ed79a81f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_6cf98707-ef83-4f83-b9f0-2750ed79a81f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_6cf98707-ef83-4f83-b9f0-2750ed79a81f" xlink:to="loc_us-gaap_CreditFacilityDomain_6cf98707-ef83-4f83-b9f0-2750ed79a81f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_c5ec869e-a1cb-483e-80ee-1ed9e90bc69f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_6cf98707-ef83-4f83-b9f0-2750ed79a81f" xlink:to="loc_us-gaap_CreditFacilityDomain_c5ec869e-a1cb-483e-80ee-1ed9e90bc69f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SecuredRevolvingCreditFacilityMember_357c0da5-69ea-46db-b5a8-8c275db1db65" xlink:href="vici-20231231.xsd#vici_SecuredRevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_c5ec869e-a1cb-483e-80ee-1ed9e90bc69f" xlink:to="loc_vici_SecuredRevolvingCreditFacilityMember_357c0da5-69ea-46db-b5a8-8c275db1db65" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_a21d247d-820c-4167-ab96-4e6c91a390d9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_de8e866a-142c-49b8-b2ed-c14a20e2ef3c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_a21d247d-820c-4167-ab96-4e6c91a390d9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_a21d247d-820c-4167-ab96-4e6c91a390d9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a21d247d-820c-4167-ab96-4e6c91a390d9" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_a21d247d-820c-4167-ab96-4e6c91a390d9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_647703ad-2dde-49d9-90d1-b70f78098702" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_a21d247d-820c-4167-ab96-4e6c91a390d9" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_647703ad-2dde-49d9-90d1-b70f78098702" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_c551f884-7d96-4ad7-ba28-d3f22ce29b65" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_647703ad-2dde-49d9-90d1-b70f78098702" xlink:to="loc_us-gaap_SeniorNotesMember_c551f884-7d96-4ad7-ba28-d3f22ce29b65" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_6922b713-9530-4182-a9c2-14e924910ee7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8902865f-0945-4dd6-b4c8-b567fc49247f" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_6922b713-9530-4182-a9c2-14e924910ee7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_8d6f9027-d8c4-4ecc-9eff-285495ff6aa1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8902865f-0945-4dd6-b4c8-b567fc49247f" xlink:to="loc_us-gaap_DebtInstrumentTerm_8d6f9027-d8c4-4ecc-9eff-285495ff6aa1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_f95f7cec-9694-4b4f-a950-b76489148ff4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8902865f-0945-4dd6-b4c8-b567fc49247f" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_f95f7cec-9694-4b4f-a950-b76489148ff4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_f39d9d41-dbdc-426f-9395-b8d4fe474526" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_8902865f-0945-4dd6-b4c8-b567fc49247f" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_f39d9d41-dbdc-426f-9395-b8d4fe474526" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/DebtMGMGrandMandalayBayCMBSDebtDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#DebtMGMGrandMandalayBayCMBSDebtDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/DebtMGMGrandMandalayBayCMBSDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_e67af9bc-668a-4c9a-81b8-8f8bef49b425" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_d142539e-2d1d-43c0-9b7a-82697126a685" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e67af9bc-668a-4c9a-81b8-8f8bef49b425" xlink:to="loc_us-gaap_DebtInstrumentTable_d142539e-2d1d-43c0-9b7a-82697126a685" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_4bb2f421-6d18-43c3-a894-2866f64456bb" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_d142539e-2d1d-43c0-9b7a-82697126a685" xlink:to="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_4bb2f421-6d18-43c3-a894-2866f64456bb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_4bb2f421-6d18-43c3-a894-2866f64456bb_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_4bb2f421-6d18-43c3-a894-2866f64456bb" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_4bb2f421-6d18-43c3-a894-2866f64456bb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_744b76a5-de12-4488-9715-3d28c5cef103" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_4bb2f421-6d18-43c3-a894-2866f64456bb" xlink:to="loc_srt_EquityMethodInvesteeNameDomain_744b76a5-de12-4488-9715-3d28c5cef103" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_264b775a-b701-426e-bacb-d8cfb315c028" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_744b76a5-de12-4488-9715-3d28c5cef103" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_264b775a-b701-426e-bacb-d8cfb315c028" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionAxis_39d8fd0e-ff8b-48d4-b848-208dc264464e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_d142539e-2d1d-43c0-9b7a-82697126a685" xlink:to="loc_us-gaap_AssetAcquisitionAxis_39d8fd0e-ff8b-48d4-b848-208dc264464e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_39d8fd0e-ff8b-48d4-b848-208dc264464e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AssetAcquisitionAxis_39d8fd0e-ff8b-48d4-b848-208dc264464e" xlink:to="loc_us-gaap_AssetAcquisitionDomain_39d8fd0e-ff8b-48d4-b848-208dc264464e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetAcquisitionDomain_77d640c3-cedf-4ba3-8dd8-066e8a64fa2b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AssetAcquisitionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AssetAcquisitionAxis_39d8fd0e-ff8b-48d4-b848-208dc264464e" xlink:to="loc_us-gaap_AssetAcquisitionDomain_77d640c3-cedf-4ba3-8dd8-066e8a64fa2b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVMember_c676bbd7-0b6b-4aae-9cb4-7310bce799e3" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetAcquisitionDomain_77d640c3-cedf-4ba3-8dd8-066e8a64fa2b" xlink:to="loc_vici_MGMGrandMandalayBayJVMember_c676bbd7-0b6b-4aae-9cb4-7310bce799e3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_579898b3-eef1-43ec-a75d-cbe5483a2565" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_d142539e-2d1d-43c0-9b7a-82697126a685" xlink:to="loc_us-gaap_DebtInstrumentAxis_579898b3-eef1-43ec-a75d-cbe5483a2565" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_579898b3-eef1-43ec-a75d-cbe5483a2565_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_579898b3-eef1-43ec-a75d-cbe5483a2565" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_579898b3-eef1-43ec-a75d-cbe5483a2565_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a339e192-42fd-41c5-a3ed-a35d09364bbc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_579898b3-eef1-43ec-a75d-cbe5483a2565" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a339e192-42fd-41c5-a3ed-a35d09364bbc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayNoteDue2032Member_46588984-38a5-480d-8f5f-f266f4f489c5" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayNoteDue2032Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a339e192-42fd-41c5-a3ed-a35d09364bbc" xlink:to="loc_vici_MGMGrandMandalayBayNoteDue2032Member_46588984-38a5-480d-8f5f-f266f4f489c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayNoteDue2030Member_3c997687-3ee6-4156-94d4-462b5a020980" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayNoteDue2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_a339e192-42fd-41c5-a3ed-a35d09364bbc" xlink:to="loc_vici_MGMGrandMandalayBayNoteDue2030Member_3c997687-3ee6-4156-94d4-462b5a020980" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_0d54747f-c487-4fb3-b61e-9367749984a9" xlink:href="vici-20231231.xsd#vici_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e67af9bc-668a-4c9a-81b8-8f8bef49b425" xlink:to="loc_vici_AssetAcquisitionConsiderationTransferredLiabilitiesIncurred_0d54747f-c487-4fb3-b61e-9367749984a9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_e95485ef-5364-453d-9930-5398ff8f2174" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e67af9bc-668a-4c9a-81b8-8f8bef49b425" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_e95485ef-5364-453d-9930-5398ff8f2174" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/DebtBridgeFacilitiesDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#DebtBridgeFacilitiesDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/DebtBridgeFacilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_db3cc27f-8f01-45f9-9eba-aed9027c355d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_28eaa2a9-819b-463d-89eb-026fd8de41e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_db3cc27f-8f01-45f9-9eba-aed9027c355d" xlink:to="loc_us-gaap_DebtInstrumentTable_28eaa2a9-819b-463d-89eb-026fd8de41e0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_109fcc46-f7a6-4c86-9f6c-ce9f7f5fe959" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_28eaa2a9-819b-463d-89eb-026fd8de41e0" xlink:to="loc_us-gaap_DebtInstrumentAxis_109fcc46-f7a6-4c86-9f6c-ce9f7f5fe959" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_109fcc46-f7a6-4c86-9f6c-ce9f7f5fe959_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_109fcc46-f7a6-4c86-9f6c-ce9f7f5fe959" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_109fcc46-f7a6-4c86-9f6c-ce9f7f5fe959_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_ba47f678-1055-42d2-95f1-c7f58c6c2b7c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_109fcc46-f7a6-4c86-9f6c-ce9f7f5fe959" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_ba47f678-1055-42d2-95f1-c7f58c6c2b7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPTransactionsBridgeFacilityMember_3a94d41d-eca5-4eaf-a35d-75cee17d043b" xlink:href="vici-20231231.xsd#vici_MGPTransactionsBridgeFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ba47f678-1055-42d2-95f1-c7f58c6c2b7c" xlink:to="loc_vici_MGPTransactionsBridgeFacilityMember_3a94d41d-eca5-4eaf-a35d-75cee17d043b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VenetianAcquisitionBridgeFacilityMember_ab51f6ac-af5f-4d4c-aab1-ab1f0069cb54" xlink:href="vici-20231231.xsd#vici_VenetianAcquisitionBridgeFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_ba47f678-1055-42d2-95f1-c7f58c6c2b7c" xlink:to="loc_vici_VenetianAcquisitionBridgeFacilityMember_ab51f6ac-af5f-4d4c-aab1-ab1f0069cb54" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4608ac96-4344-4030-81b3-0a24397130fb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_db3cc27f-8f01-45f9-9eba-aed9027c355d" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_4608ac96-4344-4030-81b3-0a24397130fb" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/DebtScheduleofInterestExpenseDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#DebtScheduleofInterestExpenseDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/DebtScheduleofInterestExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_92289291-4943-4a49-97bb-8f2afdfe7f8c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_699af8ec-e351-484d-9769-3cbf2735e5cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_92289291-4943-4a49-97bb-8f2afdfe7f8c" xlink:to="loc_us-gaap_DebtInstrumentTable_699af8ec-e351-484d-9769-3cbf2735e5cb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_9e9e1249-45f4-4c91-9897-91989300119b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_699af8ec-e351-484d-9769-3cbf2735e5cb" xlink:to="loc_us-gaap_DebtInstrumentAxis_9e9e1249-45f4-4c91-9897-91989300119b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_9e9e1249-45f4-4c91-9897-91989300119b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_9e9e1249-45f4-4c91-9897-91989300119b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_9e9e1249-45f4-4c91-9897-91989300119b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_3cf58912-8e15-4a5b-88de-a440e757264e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_9e9e1249-45f4-4c91-9897-91989300119b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_3cf58912-8e15-4a5b-88de-a440e757264e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGPTransactionsBridgeFacilityMember_80667559-127e-4da6-8833-9db7abbc8eac" xlink:href="vici-20231231.xsd#vici_MGPTransactionsBridgeFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3cf58912-8e15-4a5b-88de-a440e757264e" xlink:to="loc_vici_MGPTransactionsBridgeFacilityMember_80667559-127e-4da6-8833-9db7abbc8eac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VenetianAcquisitionBridgeFacilityMember_e2708b7b-b65d-4b2d-b358-c37498c31763" xlink:href="vici-20231231.xsd#vici_VenetianAcquisitionBridgeFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_3cf58912-8e15-4a5b-88de-a440e757264e" xlink:to="loc_vici_VenetianAcquisitionBridgeFacilityMember_e2708b7b-b65d-4b2d-b358-c37498c31763" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_8504bcea-52ad-4aaf-bc29-04713ac92bb5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_92289291-4943-4a49-97bb-8f2afdfe7f8c" xlink:to="loc_us-gaap_InterestExpense_8504bcea-52ad-4aaf-bc29-04713ac92bb5" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/DerivativesNarrativeDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#DerivativesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/DerivativesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_0f965fbb-c325-4df9-90f6-7b094240b90c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_DerivativeTable_0f965fbb-c325-4df9-90f6-7b094240b90c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_c4b1e772-32fb-4096-ad8b-508798f16e30" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_0f965fbb-c325-4df9-90f6-7b094240b90c" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_c4b1e772-32fb-4096-ad8b-508798f16e30" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_c4b1e772-32fb-4096-ad8b-508798f16e30_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_c4b1e772-32fb-4096-ad8b-508798f16e30" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_c4b1e772-32fb-4096-ad8b-508798f16e30_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_074acf36-f7a2-4221-8b55-e6721c313921" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_c4b1e772-32fb-4096-ad8b-508798f16e30" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_074acf36-f7a2-4221-8b55-e6721c313921" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ForwardStartingInterestRateSwapMember_9b824942-6c3e-46f3-beb0-5a36dbd6ef2a" xlink:href="vici-20231231.xsd#vici_ForwardStartingInterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_074acf36-f7a2-4221-8b55-e6721c313921" xlink:to="loc_vici_ForwardStartingInterestRateSwapMember_9b824942-6c3e-46f3-beb0-5a36dbd6ef2a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryLockMember_a54523fd-a92d-49b3-84c4-184d329f90c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TreasuryLockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_074acf36-f7a2-4221-8b55-e6721c313921" xlink:to="loc_us-gaap_TreasuryLockMember_a54523fd-a92d-49b3-84c4-184d329f90c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_b3de379d-c55e-4a9b-9381-6595fdb2ce2e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_074acf36-f7a2-4221-8b55-e6721c313921" xlink:to="loc_us-gaap_InterestRateSwapMember_b3de379d-c55e-4a9b-9381-6595fdb2ce2e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_4f712805-fdf6-410a-89c5-3d3765c6a65e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_0f965fbb-c325-4df9-90f6-7b094240b90c" xlink:to="loc_us-gaap_CreditFacilityAxis_4f712805-fdf6-410a-89c5-3d3765c6a65e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_4f712805-fdf6-410a-89c5-3d3765c6a65e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_4f712805-fdf6-410a-89c5-3d3765c6a65e" xlink:to="loc_us-gaap_CreditFacilityDomain_4f712805-fdf6-410a-89c5-3d3765c6a65e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_886b5762-c9ef-4d1c-8d33-d171b237a75e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_4f712805-fdf6-410a-89c5-3d3765c6a65e" xlink:to="loc_us-gaap_CreditFacilityDomain_886b5762-c9ef-4d1c-8d33-d171b237a75e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SecuredRevolvingCreditFacilityMember_8676cf78-5983-42c9-9ba7-13cb74e96653" xlink:href="vici-20231231.xsd#vici_SecuredRevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_886b5762-c9ef-4d1c-8d33-d171b237a75e" xlink:to="loc_vici_SecuredRevolvingCreditFacilityMember_8676cf78-5983-42c9-9ba7-13cb74e96653" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_09411b5f-7bee-4a69-8e48-bb3d320f707d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_0f965fbb-c325-4df9-90f6-7b094240b90c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_09411b5f-7bee-4a69-8e48-bb3d320f707d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_09411b5f-7bee-4a69-8e48-bb3d320f707d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_09411b5f-7bee-4a69-8e48-bb3d320f707d" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_09411b5f-7bee-4a69-8e48-bb3d320f707d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_30ccc1d2-ef03-40ca-8a10-c936167dd973" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_09411b5f-7bee-4a69-8e48-bb3d320f707d" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_30ccc1d2-ef03-40ca-8a10-c936167dd973" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember_323f8d63-7ef4-4b70-9b3a-5980654f6970" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SeniorNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_30ccc1d2-ef03-40ca-8a10-c936167dd973" xlink:to="loc_us-gaap_SeniorNotesMember_323f8d63-7ef4-4b70-9b3a-5980654f6970" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_6b7c5388-644d-4674-acae-796c58a702a3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_0f965fbb-c325-4df9-90f6-7b094240b90c" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_6b7c5388-644d-4674-acae-796c58a702a3" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_6b7c5388-644d-4674-acae-796c58a702a3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_6b7c5388-644d-4674-acae-796c58a702a3" xlink:to="loc_us-gaap_HedgingRelationshipDomain_6b7c5388-644d-4674-acae-796c58a702a3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_6b00a1f5-51c5-440d-90b6-769ff6256e89" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_6b7c5388-644d-4674-acae-796c58a702a3" xlink:to="loc_us-gaap_HedgingRelationshipDomain_6b00a1f5-51c5-440d-90b6-769ff6256e89" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetInvestmentHedgingMember_e68ae670-35d1-411a-9c86-d1ac10af3296" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetInvestmentHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_6b00a1f5-51c5-440d-90b6-769ff6256e89" xlink:to="loc_us-gaap_NetInvestmentHedgingMember_e68ae670-35d1-411a-9c86-d1ac10af3296" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_a11b89d1-fd6c-4b37-b62f-ea2fdeaff664" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_DerivativeNumberOfInstrumentsHeld_a11b89d1-fd6c-4b37-b62f-ea2fdeaff664" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_bed218e7-e782-43da-b050-c2b302007843" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_DerivativeNotionalAmount_bed218e7-e782-43da-b050-c2b302007843" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_223ce344-0118-400f-9efa-f2fb6a0e7290" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgesLiabilities_223ce344-0118-400f-9efa-f2fb6a0e7290" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDerivativeInstrumentFinancingActivities_23b224f3-f6d2-414c-baba-69cd4b5a6900" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromDerivativeInstrumentFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_ProceedsFromDerivativeInstrumentFinancingActivities_23b224f3-f6d2-414c-baba-69cd4b5a6900" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromLinesOfCredit_9a47d754-66ac-4311-89c7-d616e9ad43e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_ProceedsFromLinesOfCredit_9a47d754-66ac-4311-89c7-d616e9ad43e1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_0268d3dc-001d-40fc-9bc8-2d9fd847cac7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_0268d3dc-001d-40fc-9bc8-2d9fd847cac7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForDerivativeInstrumentFinancingActivities_9d9b674d-c5d6-4e6e-944c-f66e462a9cd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForDerivativeInstrumentFinancingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_PaymentsForDerivativeInstrumentFinancingActivities_9d9b674d-c5d6-4e6e-944c-f66e462a9cd7" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_cda9d0ba-a45e-481d-ac7f-1139c4714d54" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestPayableCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_InterestPayableCurrentAndNoncurrent_cda9d0ba-a45e-481d-ac7f-1139c4714d54" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_9dd28388-541a-47a2-b2d1-e2d179109847" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_e1c5e630-5fd8-49d3-bf04-437b3c92efbb" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_9dd28388-541a-47a2-b2d1-e2d179109847" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/DerivativesScheduleofDerivativesofIncomeStatementDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#DerivativesScheduleofDerivativesofIncomeStatementDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/DerivativesScheduleofDerivativesofIncomeStatementDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_c101ce18-1210-4249-9862-25912b6be1a8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_c0fd1169-ef64-4a4a-ada2-8efd82cd7f4a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_c101ce18-1210-4249-9862-25912b6be1a8" xlink:to="loc_us-gaap_DerivativeTable_c0fd1169-ef64-4a4a-ada2-8efd82cd7f4a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_45cb1cf7-3b04-4587-af5f-e3b3f51f1c63" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_c0fd1169-ef64-4a4a-ada2-8efd82cd7f4a" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_45cb1cf7-3b04-4587-af5f-e3b3f51f1c63" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_45cb1cf7-3b04-4587-af5f-e3b3f51f1c63_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_45cb1cf7-3b04-4587-af5f-e3b3f51f1c63" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_45cb1cf7-3b04-4587-af5f-e3b3f51f1c63_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_dbd7561e-9b67-456b-8481-3a586081991f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_45cb1cf7-3b04-4587-af5f-e3b3f51f1c63" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_dbd7561e-9b67-456b-8481-3a586081991f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ForwardStartingInterestRateSwapMember_9521a776-78d7-4dba-9a8c-30580062b08b" xlink:href="vici-20231231.xsd#vici_ForwardStartingInterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_dbd7561e-9b67-456b-8481-3a586081991f" xlink:to="loc_vici_ForwardStartingInterestRateSwapMember_9521a776-78d7-4dba-9a8c-30580062b08b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_89ce8793-9000-4890-b5d2-1350e36f7d4f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_dbd7561e-9b67-456b-8481-3a586081991f" xlink:to="loc_us-gaap_InterestRateSwapMember_89ce8793-9000-4890-b5d2-1350e36f7d4f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_TerminationFeeAxis_31313716-ff66-4765-bc6b-e114b032da9e" xlink:href="vici-20231231.xsd#vici_TerminationFeeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_c0fd1169-ef64-4a4a-ada2-8efd82cd7f4a" xlink:to="loc_vici_TerminationFeeAxis_31313716-ff66-4765-bc6b-e114b032da9e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_TerminationFeeDomain_31313716-ff66-4765-bc6b-e114b032da9e_default" xlink:href="vici-20231231.xsd#vici_TerminationFeeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_vici_TerminationFeeAxis_31313716-ff66-4765-bc6b-e114b032da9e" xlink:to="loc_vici_TerminationFeeDomain_31313716-ff66-4765-bc6b-e114b032da9e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_TerminationFeeDomain_56527291-61e5-4a1a-b93f-5b53a50633b9" xlink:href="vici-20231231.xsd#vici_TerminationFeeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_vici_TerminationFeeAxis_31313716-ff66-4765-bc6b-e114b032da9e" xlink:to="loc_vici_TerminationFeeDomain_56527291-61e5-4a1a-b93f-5b53a50633b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_TerminationFeeMember_5ae4da8f-5598-40b7-8a55-4df3b93eb538" xlink:href="vici-20231231.xsd#vici_TerminationFeeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_TerminationFeeDomain_56527291-61e5-4a1a-b93f-5b53a50633b9" xlink:to="loc_vici_TerminationFeeMember_5ae4da8f-5598-40b7-8a55-4df3b93eb538" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_77f2895b-493c-4b16-ac2d-78cffaf214f9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_c101ce18-1210-4249-9862-25912b6be1a8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_77f2895b-493c-4b16-ac2d-78cffaf214f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_05b39cc2-4654-4769-9d47-348ecfc72bbd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_c101ce18-1210-4249-9862-25912b6be1a8" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_05b39cc2-4654-4769-9d47-348ecfc72bbd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_1b5ebde7-25a9-40f6-91e5-a8edbb53e7ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_c101ce18-1210-4249-9862-25912b6be1a8" xlink:to="loc_us-gaap_InterestExpense_1b5ebde7-25a9-40f6-91e5-a8edbb53e7ac" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/FairValueRecurringBasisDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#FairValueRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/FairValueRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ddcb2984-c5d9-4714-9119-2901cb35df04" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2022de5c-078e-43d3-91e5-6d5b90966ebe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ddcb2984-c5d9-4714-9119-2901cb35df04" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2022de5c-078e-43d3-91e5-6d5b90966ebe" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2aab0e17-ca0b-49a4-842b-bef9481a87f8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2022de5c-078e-43d3-91e5-6d5b90966ebe" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2aab0e17-ca0b-49a4-842b-bef9481a87f8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_2aab0e17-ca0b-49a4-842b-bef9481a87f8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2aab0e17-ca0b-49a4-842b-bef9481a87f8" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_2aab0e17-ca0b-49a4-842b-bef9481a87f8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_f137f223-ebe2-4272-a9a9-5eb4639077e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_2aab0e17-ca0b-49a4-842b-bef9481a87f8" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_f137f223-ebe2-4272-a9a9-5eb4639077e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_63996bd0-b1e4-4e67-9472-2dd1ba9c14cd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_f137f223-ebe2-4272-a9a9-5eb4639077e7" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_63996bd0-b1e4-4e67-9472-2dd1ba9c14cd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_74995e08-8adc-4247-9639-5587af9bb574" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2022de5c-078e-43d3-91e5-6d5b90966ebe" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_74995e08-8adc-4247-9639-5587af9bb574" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_74995e08-8adc-4247-9639-5587af9bb574_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_74995e08-8adc-4247-9639-5587af9bb574" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_74995e08-8adc-4247-9639-5587af9bb574_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_837ab478-3448-4894-8604-cd5b329e9b16" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_74995e08-8adc-4247-9639-5587af9bb574" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_837ab478-3448-4894-8604-cd5b329e9b16" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_a16e43d9-2202-477f-ac56-050ab824d8c4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_837ab478-3448-4894-8604-cd5b329e9b16" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_a16e43d9-2202-477f-ac56-050ab824d8c4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_7cb80dd6-c5e7-4940-b1fc-306d7c18997e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_837ab478-3448-4894-8604-cd5b329e9b16" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_7cb80dd6-c5e7-4940-b1fc-306d7c18997e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_b5cf7c3e-b926-48e5-98cd-be5c0f901fcf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_837ab478-3448-4894-8604-cd5b329e9b16" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_b5cf7c3e-b926-48e5-98cd-be5c0f901fcf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_7d392e3a-d4d7-42f1-aea1-88eda3dd8605" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2022de5c-078e-43d3-91e5-6d5b90966ebe" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_7d392e3a-d4d7-42f1-aea1-88eda3dd8605" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_7d392e3a-d4d7-42f1-aea1-88eda3dd8605_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_7d392e3a-d4d7-42f1-aea1-88eda3dd8605" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_7d392e3a-d4d7-42f1-aea1-88eda3dd8605_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5c30c55a-00cd-4a69-bfb0-cc95cb2d385c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_7d392e3a-d4d7-42f1-aea1-88eda3dd8605" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5c30c55a-00cd-4a69-bfb0-cc95cb2d385c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_e90c7d49-571f-4386-a34c-a7e62a9ab181" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5c30c55a-00cd-4a69-bfb0-cc95cb2d385c" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_e90c7d49-571f-4386-a34c-a7e62a9ab181" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_4feec213-b61d-4011-8dd1-23976a08b64e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_e90c7d49-571f-4386-a34c-a7e62a9ab181" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_4feec213-b61d-4011-8dd1-23976a08b64e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_caca274e-c0c1-4cff-8c8d-f9611be2c01a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_e90c7d49-571f-4386-a34c-a7e62a9ab181" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_caca274e-c0c1-4cff-8c8d-f9611be2c01a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_18991354-1c94-4834-bda7-feffe12ad517" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_2022de5c-078e-43d3-91e5-6d5b90966ebe" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_18991354-1c94-4834-bda7-feffe12ad517" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_18991354-1c94-4834-bda7-feffe12ad517_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_18991354-1c94-4834-bda7-feffe12ad517" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_18991354-1c94-4834-bda7-feffe12ad517_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_a6a3a21e-c545-41ce-b413-09e612041b5b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_18991354-1c94-4834-bda7-feffe12ad517" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_a6a3a21e-c545-41ce-b413-09e612041b5b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ForwardStartingInterestRateSwapMember_25896dcc-ccff-4d27-acc9-dd3b8d8f4b15" xlink:href="vici-20231231.xsd#vici_ForwardStartingInterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_a6a3a21e-c545-41ce-b413-09e612041b5b" xlink:to="loc_vici_ForwardStartingInterestRateSwapMember_25896dcc-ccff-4d27-acc9-dd3b8d8f4b15" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_5f8c1b89-6a77-4809-8f95-e3953f22e2e0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ddcb2984-c5d9-4714-9119-2901cb35df04" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_5f8c1b89-6a77-4809-8f95-e3953f22e2e0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_46fe5c38-e7e8-4031-becc-01a850d2160b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_5f8c1b89-6a77-4809-8f95-e3953f22e2e0" xlink:to="loc_us-gaap_DerivativeAssets_46fe5c38-e7e8-4031-becc-01a850d2160b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_6c54c3a3-0e94-47bf-bdb6-f4c950560f45" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_5f8c1b89-6a77-4809-8f95-e3953f22e2e0" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_6c54c3a3-0e94-47bf-bdb6-f4c950560f45" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_3f2718ea-c6e2-47b9-a272-57d6c41f43f0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_ddcb2984-c5d9-4714-9119-2901cb35df04" xlink:to="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_3f2718ea-c6e2-47b9-a272-57d6c41f43f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_046bcc4b-b487-4440-aa31-1820eef1dc10" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_3f2718ea-c6e2-47b9-a272-57d6c41f43f0" xlink:to="loc_us-gaap_DerivativeLiabilities_046bcc4b-b487-4440-aa31-1820eef1dc10" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/FairValueScheduleofEstimatedFairValuesDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#FairValueScheduleofEstimatedFairValuesDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/FairValueScheduleofEstimatedFairValuesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_52860ed2-3365-4e9c-8191-c5bb555e7a5f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_14309905-470e-4e01-8eaa-50a48594319e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_52860ed2-3365-4e9c-8191-c5bb555e7a5f" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_14309905-470e-4e01-8eaa-50a48594319e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_29eabe4e-1231-4535-805e-38b016bd1892" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_14309905-470e-4e01-8eaa-50a48594319e" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_29eabe4e-1231-4535-805e-38b016bd1892" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_29eabe4e-1231-4535-805e-38b016bd1892_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_29eabe4e-1231-4535-805e-38b016bd1892" xlink:to="loc_us-gaap_ReceivableTypeDomain_29eabe4e-1231-4535-805e-38b016bd1892_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_78af3b67-e13d-460a-b186-ea9045fb8989" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_29eabe4e-1231-4535-805e-38b016bd1892" xlink:to="loc_us-gaap_ReceivableTypeDomain_78af3b67-e13d-460a-b186-ea9045fb8989" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeaseFinancingReceivableMember_d64451b1-8156-4f0e-a299-eeb34107352d" xlink:href="vici-20231231.xsd#vici_LeaseFinancingReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_78af3b67-e13d-460a-b186-ea9045fb8989" xlink:to="loc_vici_LeaseFinancingReceivableMember_d64451b1-8156-4f0e-a299-eeb34107352d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LoansReceivableAndSecuritiesMember_83f9d948-e91e-47a3-9426-98d8df74657e" xlink:href="vici-20231231.xsd#vici_LoansReceivableAndSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_78af3b67-e13d-460a-b186-ea9045fb8989" xlink:to="loc_vici_LoansReceivableAndSecuritiesMember_83f9d948-e91e-47a3-9426-98d8df74657e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_6f8ec686-33e2-4208-ae21-18973a0ffe56" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_14309905-470e-4e01-8eaa-50a48594319e" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_6f8ec686-33e2-4208-ae21-18973a0ffe56" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_6f8ec686-33e2-4208-ae21-18973a0ffe56_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_6f8ec686-33e2-4208-ae21-18973a0ffe56" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_6f8ec686-33e2-4208-ae21-18973a0ffe56_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_ba613a48-9a5c-4baa-b5c4-784c79b60f06" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_6f8ec686-33e2-4208-ae21-18973a0ffe56" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_ba613a48-9a5c-4baa-b5c4-784c79b60f06" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_19864f66-575d-44de-82ec-5c4c0e6b3d30" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_ba613a48-9a5c-4baa-b5c4-784c79b60f06" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_19864f66-575d-44de-82ec-5c4c0e6b3d30" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_d8774035-5258-4d64-be41-91b9549a34b4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_19864f66-575d-44de-82ec-5c4c0e6b3d30" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_d8774035-5258-4d64-be41-91b9549a34b4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_e37cb304-56fe-4029-a288-003255bba0c9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_19864f66-575d-44de-82ec-5c4c0e6b3d30" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_e37cb304-56fe-4029-a288-003255bba0c9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_c1d95b6e-2299-43e3-91a4-5357a0188603" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_14309905-470e-4e01-8eaa-50a48594319e" xlink:to="loc_us-gaap_DebtInstrumentAxis_c1d95b6e-2299-43e3-91a4-5357a0188603" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c1d95b6e-2299-43e3-91a4-5357a0188603_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_c1d95b6e-2299-43e3-91a4-5357a0188603" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c1d95b6e-2299-43e3-91a4-5357a0188603_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_21cf9d34-68a3-49dc-8692-18ec46339a67" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_c1d95b6e-2299-43e3-91a4-5357a0188603" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_21cf9d34-68a3-49dc-8692-18ec46339a67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_d0ec82b8-3bd0-462a-9254-04d2881e13b2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_21cf9d34-68a3-49dc-8692-18ec46339a67" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_d0ec82b8-3bd0-462a-9254-04d2881e13b2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MGMGrandMandalayBayJVCMBSDebtMember_8affd5fc-a459-4e76-86d7-c4572539eab1" xlink:href="vici-20231231.xsd#vici_MGMGrandMandalayBayJVCMBSDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_21cf9d34-68a3-49dc-8692-18ec46339a67" xlink:to="loc_vici_MGMGrandMandalayBayJVCMBSDebtMember_8affd5fc-a459-4e76-86d7-c4572539eab1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebtMember_dd316630-e768-4ab0-b2ee-da3128ebfee1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_UnsecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_21cf9d34-68a3-49dc-8692-18ec46339a67" xlink:to="loc_us-gaap_UnsecuredDebtMember_dd316630-e768-4ab0-b2ee-da3128ebfee1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesFairValueDisclosure_7333f163-bc36-49aa-a4ed-cd03489c9f55" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ReceivablesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_52860ed2-3365-4e9c-8191-c5bb555e7a5f" xlink:to="loc_us-gaap_ReceivablesFairValueDisclosure_7333f163-bc36-49aa-a4ed-cd03489c9f55" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_24b30f34-d391-4616-a4e2-6d9f21c656bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_52860ed2-3365-4e9c-8191-c5bb555e7a5f" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_24b30f34-d391-4616-a4e2-6d9f21c656bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_b74ca718-7d55-4974-8934-1088fd17ddd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_52860ed2-3365-4e9c-8191-c5bb555e7a5f" xlink:to="loc_us-gaap_DebtInstrumentFairValue_b74ca718-7d55-4974-8934-1088fd17ddd7" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/CommitmentsandContingentLiabilitiesNarrativeDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#CommitmentsandContingentLiabilitiesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/CommitmentsandContingentLiabilitiesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_7ef30fb2-d7b8-434a-bcec-01278a2bbf4e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_b17df4fb-78aa-4a57-88ec-89e6b349e3f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_7ef30fb2-d7b8-434a-bcec-01278a2bbf4e" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_b17df4fb-78aa-4a57-88ec-89e6b349e3f4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_a986badc-99bb-406e-8217-fe1e32d55473" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_b17df4fb-78aa-4a57-88ec-89e6b349e3f4" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_a986badc-99bb-406e-8217-fe1e32d55473" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_a986badc-99bb-406e-8217-fe1e32d55473_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_a986badc-99bb-406e-8217-fe1e32d55473" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_a986badc-99bb-406e-8217-fe1e32d55473_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_c35d20c5-91a6-415f-84ff-f60161827c54" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_a986badc-99bb-406e-8217-fe1e32d55473" xlink:to="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_c35d20c5-91a6-415f-84ff-f60161827c54" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CascataGolfCourseMember_c6cc5537-81ae-4d16-adab-9e5f841163f3" xlink:href="vici-20231231.xsd#vici_CascataGolfCourseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_c35d20c5-91a6-415f-84ff-f60161827c54" xlink:to="loc_vici_CascataGolfCourseMember_c6cc5537-81ae-4d16-adab-9e5f841163f3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CorporateHeadquartersMember_6875f6f2-2b47-4c6a-9d59-a709ce2a510d" xlink:href="vici-20231231.xsd#vici_CorporateHeadquartersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_c35d20c5-91a6-415f-84ff-f60161827c54" xlink:to="loc_vici_CorporateHeadquartersMember_6875f6f2-2b47-4c6a-9d59-a709ce2a510d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LesseeOperatingLeaseNumberOfExtensionOptions_46a3dcb3-c1d0-4511-b2dd-ecf4b5220d5b" xlink:href="vici-20231231.xsd#vici_LesseeOperatingLeaseNumberOfExtensionOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_7ef30fb2-d7b8-434a-bcec-01278a2bbf4e" xlink:to="loc_vici_LesseeOperatingLeaseNumberOfExtensionOptions_46a3dcb3-c1d0-4511-b2dd-ecf4b5220d5b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_b8afbb66-0d7f-4e79-84e2-994f906b6350" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_7ef30fb2-d7b8-434a-bcec-01278a2bbf4e" xlink:to="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_b8afbb66-0d7f-4e79-84e2-994f906b6350" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/CommitmentsandContingentLiabilitiesScheduleofAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#CommitmentsandContingentLiabilitiesScheduleofAssetsandLiabilitiesDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/CommitmentsandContingentLiabilitiesScheduleofAssetsandLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_cb555d0d-6b5a-413e-9862-73499c7f3c98" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_3d5b1957-728a-4072-9658-8eb593300c68" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_cb555d0d-6b5a-413e-9862-73499c7f3c98" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_3d5b1957-728a-4072-9658-8eb593300c68" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfArrangementAxis_bb11b6b6-c541-4524-95ef-c7f10d030261" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfArrangementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_3d5b1957-728a-4072-9658-8eb593300c68" xlink:to="loc_us-gaap_TypeOfArrangementAxis_bb11b6b6-c541-4524-95ef-c7f10d030261" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_bb11b6b6-c541-4524-95ef-c7f10d030261_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TypeOfArrangementAxis_bb11b6b6-c541-4524-95ef-c7f10d030261" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_bb11b6b6-c541-4524-95ef-c7f10d030261_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_d8c3b001-5286-4952-90a7-519bdd5533d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TypeOfArrangementAxis_bb11b6b6-c541-4524-95ef-c7f10d030261" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_d8c3b001-5286-4952-90a7-519bdd5533d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinanceAndSalesTypeSubLeaseMember_6b51e977-eceb-4fa9-a031-c0cd00fe9142" xlink:href="vici-20231231.xsd#vici_FinanceAndSalesTypeSubLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_d8c3b001-5286-4952-90a7-519bdd5533d2" xlink:to="loc_vici_FinanceAndSalesTypeSubLeaseMember_6b51e977-eceb-4fa9-a031-c0cd00fe9142" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OperatingLeaseAndSubLeaseAssets_e75e67ee-8ade-43a9-95f7-13c6ad6daa61" xlink:href="vici-20231231.xsd#vici_OperatingLeaseAndSubLeaseAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_cb555d0d-6b5a-413e-9862-73499c7f3c98" xlink:to="loc_vici_OperatingLeaseAndSubLeaseAssets_e75e67ee-8ade-43a9-95f7-13c6ad6daa61" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OperatingLeaseAndSubLeaseLiabilities_ecef16b2-61c4-4970-b23c-221a3867b7c0" xlink:href="vici-20231231.xsd#vici_OperatingLeaseAndSubLeaseLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_cb555d0d-6b5a-413e-9862-73499c7f3c98" xlink:to="loc_vici_OperatingLeaseAndSubLeaseLiabilities_ecef16b2-61c4-4970-b23c-221a3867b7c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SalesTypeSubLeaseAssets_09dd1856-6ab2-4ff8-b4c2-69c71be2e95d" xlink:href="vici-20231231.xsd#vici_SalesTypeSubLeaseAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_cb555d0d-6b5a-413e-9862-73499c7f3c98" xlink:to="loc_vici_SalesTypeSubLeaseAssets_09dd1856-6ab2-4ff8-b4c2-69c71be2e95d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_c33900b7-ef58-425e-ae7a-565e3685d41c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_cb555d0d-6b5a-413e-9862-73499c7f3c98" xlink:to="loc_us-gaap_FinanceLeaseLiability_c33900b7-ef58-425e-ae7a-565e3685d41c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses_dc885a5f-3a77-4998-bf8a-31e23b515e7f" xlink:href="vici-20231231.xsd#vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_cb555d0d-6b5a-413e-9862-73499c7f3c98" xlink:to="loc_vici_OtherAssetsSalesTypeSubleasesExcludingAccruedInterestAllowanceForCreditLosses_dc885a5f-3a77-4998-bf8a-31e23b515e7f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_9b8ad423-eea2-4b81-863e-b22d8cc3e8d2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_cb555d0d-6b5a-413e-9862-73499c7f3c98" xlink:to="loc_us-gaap_OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList_9b8ad423-eea2-4b81-863e-b22d8cc3e8d2" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/CommitmentsandContingentLiabilitiesScheduleofRentExpenseDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#CommitmentsandContingentLiabilitiesScheduleofRentExpenseDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/CommitmentsandContingentLiabilitiesScheduleofRentExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_0a531760-6abc-4171-9c69-5483c77dd1e5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_54b89609-23c4-4325-9804-91b1b60a2700" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_0a531760-6abc-4171-9c69-5483c77dd1e5" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_54b89609-23c4-4325-9804-91b1b60a2700" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfArrangementAxis_f0a1381f-01c2-413f-adc0-5a83c948313d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfArrangementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_54b89609-23c4-4325-9804-91b1b60a2700" xlink:to="loc_us-gaap_TypeOfArrangementAxis_f0a1381f-01c2-413f-adc0-5a83c948313d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_f0a1381f-01c2-413f-adc0-5a83c948313d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TypeOfArrangementAxis_f0a1381f-01c2-413f-adc0-5a83c948313d" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_f0a1381f-01c2-413f-adc0-5a83c948313d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_92286107-dc9c-4776-b468-978433616500" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TypeOfArrangementAxis_f0a1381f-01c2-413f-adc0-5a83c948313d" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_92286107-dc9c-4776-b468-978433616500" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OperatingSubLeaseMember_d4b94347-3aec-44c3-acce-82079b719f80" xlink:href="vici-20231231.xsd#vici_OperatingSubLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_92286107-dc9c-4776-b468-978433616500" xlink:to="loc_vici_OperatingSubLeaseMember_d4b94347-3aec-44c3-acce-82079b719f80" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinanceAndSalesTypeSubLeaseMember_dc7d548b-119c-4188-afa2-0ab9498f9434" xlink:href="vici-20231231.xsd#vici_FinanceAndSalesTypeSubLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_92286107-dc9c-4776-b468-978433616500" xlink:to="loc_vici_FinanceAndSalesTypeSubLeaseMember_dc7d548b-119c-4188-afa2-0ab9498f9434" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeasesOperatingAbstract_070eacc0-0951-4c41-bced-543323338eb6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeasesOperatingAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_0a531760-6abc-4171-9c69-5483c77dd1e5" xlink:to="loc_us-gaap_LeasesOperatingAbstract_070eacc0-0951-4c41-bced-543323338eb6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseExpense_9d6e63a7-64f5-4bc6-93a7-3722919eb70d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeasesOperatingAbstract_070eacc0-0951-4c41-bced-543323338eb6" xlink:to="loc_us-gaap_OperatingLeaseExpense_9d6e63a7-64f5-4bc6-93a7-3722919eb70d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubleaseIncome_6e20d4af-4f94-49aa-bb17-a954d12e374a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubleaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeasesOperatingAbstract_070eacc0-0951-4c41-bced-543323338eb6" xlink:to="loc_us-gaap_SubleaseIncome_6e20d4af-4f94-49aa-bb17-a954d12e374a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRent_ea63c659-a508-40bc-978b-f82eb50ee3d9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PaymentsForRent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LeasesOperatingAbstract_070eacc0-0951-4c41-bced-543323338eb6" xlink:to="loc_us-gaap_PaymentsForRent_ea63c659-a508-40bc-978b-f82eb50ee3d9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_LeasesFinanceAbstract_e840d195-e08f-4c00-9923-127fe292451a" xlink:href="vici-20231231.xsd#vici_LeasesFinanceAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_0a531760-6abc-4171-9c69-5483c77dd1e5" xlink:to="loc_vici_LeasesFinanceAbstract_e840d195-e08f-4c00-9923-127fe292451a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseIncome_3b53759d-df9f-4979-b0f3-d4fbe4b52b85" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LeaseIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeasesFinanceAbstract_e840d195-e08f-4c00-9923-127fe292451a" xlink:to="loc_us-gaap_LeaseIncome_3b53759d-df9f-4979-b0f3-d4fbe4b52b85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseInterestExpense_db27bb18-49eb-4f34-93b4-0d6f552a8cb9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseInterestExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeasesFinanceAbstract_e840d195-e08f-4c00-9923-127fe292451a" xlink:to="loc_us-gaap_FinanceLeaseInterestExpense_db27bb18-49eb-4f34-93b4-0d6f552a8cb9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinanceLeaseContractualRent_78c99e8f-b874-463c-a7fb-090e9be741c2" xlink:href="vici-20231231.xsd#vici_FinanceLeaseContractualRent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_vici_LeasesFinanceAbstract_e840d195-e08f-4c00-9923-127fe292451a" xlink:to="loc_vici_FinanceLeaseContractualRent_78c99e8f-b874-463c-a7fb-090e9be741c2" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/CommitmentsandContingentLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#CommitmentsandContingentLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/CommitmentsandContingentLiabilitiesScheduleOfFutureMinimumLeasePaymentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_e3b1fa6e-2fa6-4b35-8471-45ce4a8d6dd0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_42a8ee8f-6035-47e2-8061-109589bbafe1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_e3b1fa6e-2fa6-4b35-8471-45ce4a8d6dd0" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_42a8ee8f-6035-47e2-8061-109589bbafe1" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfArrangementAxis_db5c95fc-a072-4082-9134-c7201e49c9d4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_TypeOfArrangementAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_42a8ee8f-6035-47e2-8061-109589bbafe1" xlink:to="loc_us-gaap_TypeOfArrangementAxis_db5c95fc-a072-4082-9134-c7201e49c9d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_db5c95fc-a072-4082-9134-c7201e49c9d4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_TypeOfArrangementAxis_db5c95fc-a072-4082-9134-c7201e49c9d4" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_db5c95fc-a072-4082-9134-c7201e49c9d4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_520332f3-efb0-49c2-bb02-787f99f74b6e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_TypeOfArrangementAxis_db5c95fc-a072-4082-9134-c7201e49c9d4" xlink:to="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_520332f3-efb0-49c2-bb02-787f99f74b6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OperatingSubLeaseMember_021624e5-31b9-479c-ab7d-887d6df1bc1f" xlink:href="vici-20231231.xsd#vici_OperatingSubLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_520332f3-efb0-49c2-bb02-787f99f74b6e" xlink:to="loc_vici_OperatingSubLeaseMember_021624e5-31b9-479c-ab7d-887d6df1bc1f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FinanceAndSalesTypeSubLeaseMember_b0bd399d-acc5-4f2e-a13e-f4449bc67c84" xlink:href="vici-20231231.xsd#vici_FinanceAndSalesTypeSubLeaseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ArrangementsAndNonarrangementTransactionsMember_520332f3-efb0-49c2-bb02-787f99f74b6e" xlink:to="loc_vici_FinanceAndSalesTypeSubLeaseMember_b0bd399d-acc5-4f2e-a13e-f4449bc67c84" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_2a59ead7-c809-420c-844d-1ed2af4645d2" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_42a8ee8f-6035-47e2-8061-109589bbafe1" xlink:to="loc_srt_RangeAxis_2a59ead7-c809-420c-844d-1ed2af4645d2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_2a59ead7-c809-420c-844d-1ed2af4645d2_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_2a59ead7-c809-420c-844d-1ed2af4645d2" xlink:to="loc_srt_RangeMember_2a59ead7-c809-420c-844d-1ed2af4645d2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_02648e26-3a9d-4070-8e45-7f54090b5b21" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_2a59ead7-c809-420c-844d-1ed2af4645d2" xlink:to="loc_srt_RangeMember_02648e26-3a9d-4070-8e45-7f54090b5b21" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e501e345-32ba-4c9c-8d30-78fc69b028d0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_02648e26-3a9d-4070-8e45-7f54090b5b21" xlink:to="loc_srt_MaximumMember_e501e345-32ba-4c9c-8d30-78fc69b028d0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_844280bc-2f1b-4e78-a4b5-1c58b6c80cc3" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_02648e26-3a9d-4070-8e45-7f54090b5b21" xlink:to="loc_srt_MinimumMember_844280bc-2f1b-4e78-a4b5-1c58b6c80cc3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_e3b1fa6e-2fa6-4b35-8471-45ce4a8d6dd0" xlink:to="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_e9d18e9f-a393-45a0-ad78-6d25e2f1acf0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_e9d18e9f-a393-45a0-ad78-6d25e2f1acf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_baa86263-775e-461c-89eb-529d83fcc6d8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_baa86263-775e-461c-89eb-529d83fcc6d8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_26aa2aa1-4d9a-4915-bacc-2245f9cc7869" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_26aa2aa1-4d9a-4915-bacc-2245f9cc7869" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_ab8dc385-2f69-45aa-bd2d-3a0a65ea7006" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_ab8dc385-2f69-45aa-bd2d-3a0a65ea7006" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_1a7cc7e6-16d1-483f-b8cb-a0890fe49592" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_1a7cc7e6-16d1-483f-b8cb-a0890fe49592" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_6f04909f-4925-4134-ba87-7842c174d836" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_6f04909f-4925-4134-ba87-7842c174d836" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_614e3e59-d2d5-4aa1-b233-7e36568885f3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_614e3e59-d2d5-4aa1-b233-7e36568885f3" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_82e775be-464f-48cb-baec-69e75afd98fc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_82e775be-464f-48cb-baec-69e75afd98fc" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_148a15b0-47c1-4a47-a957-5c31be20e166" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_OperatingLeaseLiability_148a15b0-47c1-4a47-a957-5c31be20e166" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseDiscountRate_fa584bf3-1e89-41d1-8b69-840f33f266df" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeOperatingLeaseDiscountRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_LesseeOperatingLeaseDiscountRate_fa584bf3-1e89-41d1-8b69-840f33f266df" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_98b2fa05-96f9-4046-9042-a1e627a33c3c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_e097edef-8c5e-4c10-b4b0-e96056757dbd" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_98b2fa05-96f9-4046-9042-a1e627a33c3c" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_e3b1fa6e-2fa6-4b35-8471-45ce4a8d6dd0" xlink:to="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_5b407e9e-49ab-4b59-b35e-05ded8e509d0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_5b407e9e-49ab-4b59-b35e-05ded8e509d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_af7da07d-5f13-49dd-b5eb-c4ca3244df02" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearTwo_af7da07d-5f13-49dd-b5eb-c4ca3244df02" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_1a54eff3-0d4a-414f-b033-1b1ae0cc9e50" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearThree_1a54eff3-0d4a-414f-b033-1b1ae0cc9e50" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_58985d38-fe16-4deb-a760-89dfb6bc59f1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFour_58985d38-fe16-4deb-a760-89dfb6bc59f1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_b2f1dd00-2681-4f67-a05c-9b68f3858d5e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueYearFive_b2f1dd00-2681-4f67-a05c-9b68f3858d5e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_f3213c5b-d8c2-4b7e-99f6-1e3c7150b51f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDueAfterYearFive_f3213c5b-d8c2-4b7e-99f6-1e3c7150b51f" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_9a3d2650-0227-4178-a59e-950e92966672" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityPaymentsDue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseLiabilityPaymentsDue_9a3d2650-0227-4178-a59e-950e92966672" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_84c205bd-44c9-4431-bb4e-8bc266cec95e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount_84c205bd-44c9-4431-bb4e-8bc266cec95e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseLiability_1777ee9c-93f0-430c-b8ef-a82e26244ae3" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseLiability_1777ee9c-93f0-430c-b8ef-a82e26244ae3" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeFinanceLeaseDiscountRate_1989ed56-c8d5-4813-907f-39b03727722a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_LesseeFinanceLeaseDiscountRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_LesseeFinanceLeaseDiscountRate_1989ed56-c8d5-4813-907f-39b03727722a" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_1d27a6f1-7978-4bea-9c12-77b395fdee5b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FinanceLeaseLiabilitiesPaymentsDueAbstract_b7b35559-61c9-4dcd-8d32-57653c91dc52" xlink:to="loc_us-gaap_FinanceLeaseWeightedAverageRemainingLeaseTerm1_1d27a6f1-7978-4bea-9c12-77b395fdee5b" xlink:type="arc" order="11"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/StockholdersEquityNarrativeDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#StockholdersEquityNarrativeDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable_a86dc786-0fe7-4065-8ab1-5d2fb2309eab" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable_a86dc786-0fe7-4065-8ab1-5d2fb2309eab" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_7d6e9b8c-a56c-4e11-a83d-7ee2ebc8d950" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable_a86dc786-0fe7-4065-8ab1-5d2fb2309eab" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_7d6e9b8c-a56c-4e11-a83d-7ee2ebc8d950" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_7d6e9b8c-a56c-4e11-a83d-7ee2ebc8d950_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_7d6e9b8c-a56c-4e11-a83d-7ee2ebc8d950" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_7d6e9b8c-a56c-4e11-a83d-7ee2ebc8d950_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_0c5901d8-df06-409c-a946-8bca81b50928" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_7d6e9b8c-a56c-4e11-a83d-7ee2ebc8d950" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_0c5901d8-df06-409c-a946-8bca81b50928" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ATMStockOfferingProgramMember_0aa5aebb-bfb6-403d-a0bd-b4468f5f620c" xlink:href="vici-20231231.xsd#vici_ATMStockOfferingProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_0c5901d8-df06-409c-a946-8bca81b50928" xlink:to="loc_vici_ATMStockOfferingProgramMember_0aa5aebb-bfb6-403d-a0bd-b4468f5f620c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_054032c4-331e-4ee7-979b-f25a8128944a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSubsidiaryOrEquityMethodInvesteeTable_a86dc786-0fe7-4065-8ab1-5d2fb2309eab" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_054032c4-331e-4ee7-979b-f25a8128944a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_054032c4-331e-4ee7-979b-f25a8128944a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_054032c4-331e-4ee7-979b-f25a8128944a" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_054032c4-331e-4ee7-979b-f25a8128944a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_26e40391-4a0b-407c-8bae-30be2cf1f4e7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_054032c4-331e-4ee7-979b-f25a8128944a" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_26e40391-4a0b-407c-8bae-30be2cf1f4e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_824da056-8a09-4354-afcd-ac1cfc632bb9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_26e40391-4a0b-407c-8bae-30be2cf1f4e7" xlink:to="loc_us-gaap_SubsequentEventMember_824da056-8a09-4354-afcd-ac1cfc632bb9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_CommonAndPreferredSharesAuthorized_ea81021f-374c-4ea2-8478-91a67b64a22d" xlink:href="vici-20231231.xsd#vici_CommonAndPreferredSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_vici_CommonAndPreferredSharesAuthorized_ea81021f-374c-4ea2-8478-91a67b64a22d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_1cb6a67b-f4ed-415d-9391-08b9479b2c76" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_1cb6a67b-f4ed-415d-9391-08b9479b2c76" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_19250516-b8b6-4060-98dd-76f42b59cd22" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_19250516-b8b6-4060-98dd-76f42b59cd22" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_5b7f3e9a-1962-43de-a843-77a665d1ae4d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_5b7f3e9a-1962-43de-a843-77a665d1ae4d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_eec694ec-bf56-4700-81fd-b75e5456822b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_eec694ec-bf56-4700-81fd-b75e5456822b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_MaximumAmountOfSharesToBeSold_9c51b1b4-9c4a-4fb3-9304-06acd540ea18" xlink:href="vici-20231231.xsd#vici_MaximumAmountOfSharesToBeSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_vici_MaximumAmountOfSharesToBeSold_9c51b1b4-9c4a-4fb3-9304-06acd540ea18" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_a8c8f50d-e479-4b1a-bd56-93049683e8c1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_a8c8f50d-e479-4b1a-bd56-93049683e8c1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OfferingForwardPriceNet_32418119-fe54-425d-a495-079b5275e010" xlink:href="vici-20231231.xsd#vici_OfferingForwardPriceNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_vici_OfferingForwardPriceNet_32418119-fe54-425d-a495-079b5275e010" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ForwardAgreementOnTheProceedsFromIssuanceOfCommonStock_cc026dbb-55d2-46f3-8bd4-7f29b4388d2e" xlink:href="vici-20231231.xsd#vici_ForwardAgreementOnTheProceedsFromIssuanceOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_vici_ForwardAgreementOnTheProceedsFromIssuanceOfCommonStock_cc026dbb-55d2-46f3-8bd4-7f29b4388d2e" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ForwardShareAgreementsPaymentsForRepurchaseOfCommonStock_ae89f4e6-f406-4fb8-991c-05abcac22518" xlink:href="vici-20231231.xsd#vici_ForwardShareAgreementsPaymentsForRepurchaseOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_vici_ForwardShareAgreementsPaymentsForRepurchaseOfCommonStock_ae89f4e6-f406-4fb8-991c-05abcac22518" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ForwardShareAgreementsNetSharesSettlement_348e3f7e-7f4a-4078-9f5f-f8e3e18dc96d" xlink:href="vici-20231231.xsd#vici_ForwardShareAgreementsNetSharesSettlement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_vici_ForwardShareAgreementsNetSharesSettlement_348e3f7e-7f4a-4078-9f5f-f8e3e18dc96d" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_899a467c-3817-45c5-8f00-c21d0ffff9e6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_899a467c-3817-45c5-8f00-c21d0ffff9e6" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_6972ff3e-6c0d-47eb-83f8-117d6b334937" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_6972ff3e-6c0d-47eb-83f8-117d6b334937" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SaleOfStockConsiderationReceivedOnTransactionGross_e395f4fa-c0fd-4a6d-9fe1-390dfa4bc088" xlink:href="vici-20231231.xsd#vici_SaleOfStockConsiderationReceivedOnTransactionGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_vici_SaleOfStockConsiderationReceivedOnTransactionGross_e395f4fa-c0fd-4a6d-9fe1-390dfa4bc088" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_8c9aef4a-83c6-4f5a-89cb-22ce634a46af" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeLineItems_3228c05a-f140-434b-acd6-8b5f8d41e428" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_8c9aef4a-83c6-4f5a-89cb-22ce634a46af" xlink:type="arc" order="14"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/StockholdersEquityForwardOfferingsDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#StockholdersEquityForwardOfferingsDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/StockholdersEquityForwardOfferingsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_538700d5-87c4-4599-ba72-dca65f5d79e1" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_2b85e07a-a39e-4632-bc6e-d4d210979622" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_538700d5-87c4-4599-ba72-dca65f5d79e1" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_2b85e07a-a39e-4632-bc6e-d4d210979622" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_ca2fe019-033e-4f8c-90d7-287286dc28eb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_2b85e07a-a39e-4632-bc6e-d4d210979622" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_ca2fe019-033e-4f8c-90d7-287286dc28eb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_ca2fe019-033e-4f8c-90d7-287286dc28eb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_ca2fe019-033e-4f8c-90d7-287286dc28eb" xlink:to="loc_us-gaap_EquityComponentDomain_ca2fe019-033e-4f8c-90d7-287286dc28eb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_911c12ac-2b13-483f-9cd2-3c4adcba011b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_ca2fe019-033e-4f8c-90d7-287286dc28eb" xlink:to="loc_us-gaap_EquityComponentDomain_911c12ac-2b13-483f-9cd2-3c4adcba011b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_January2023ForwardSalesAgreementMember_1c62e7ef-59aa-42f9-a19f-0f74c81e0a7e" xlink:href="vici-20231231.xsd#vici_January2023ForwardSalesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_911c12ac-2b13-483f-9cd2-3c4adcba011b" xlink:to="loc_vici_January2023ForwardSalesAgreementMember_1c62e7ef-59aa-42f9-a19f-0f74c81e0a7e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_November2022ForwardSalesAgreementMember_58f6eecf-6818-4a06-9c58-dba9b7835e32" xlink:href="vici-20231231.xsd#vici_November2022ForwardSalesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_911c12ac-2b13-483f-9cd2-3c4adcba011b" xlink:to="loc_vici_November2022ForwardSalesAgreementMember_58f6eecf-6818-4a06-9c58-dba9b7835e32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_September2021ForwardSalesAgreementMember_b2ee6968-99f5-4693-a25c-fd753d7cb036" xlink:href="vici-20231231.xsd#vici_September2021ForwardSalesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_911c12ac-2b13-483f-9cd2-3c4adcba011b" xlink:to="loc_vici_September2021ForwardSalesAgreementMember_b2ee6968-99f5-4693-a25c-fd753d7cb036" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_March2021ForwardSaleAgreementMember_8583094c-22ed-49aa-9f38-c63fe2149d04" xlink:href="vici-20231231.xsd#vici_March2021ForwardSaleAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_911c12ac-2b13-483f-9cd2-3c4adcba011b" xlink:to="loc_vici_March2021ForwardSaleAgreementMember_8583094c-22ed-49aa-9f38-c63fe2149d04" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_5a19aacf-d4be-4dfa-940c-7a887c64c3bf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_2b85e07a-a39e-4632-bc6e-d4d210979622" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_5a19aacf-d4be-4dfa-940c-7a887c64c3bf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_5a19aacf-d4be-4dfa-940c-7a887c64c3bf_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_5a19aacf-d4be-4dfa-940c-7a887c64c3bf" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_5a19aacf-d4be-4dfa-940c-7a887c64c3bf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_3a1da964-8167-42ff-85e9-8fd82057e9ad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_5a19aacf-d4be-4dfa-940c-7a887c64c3bf" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_3a1da964-8167-42ff-85e9-8fd82057e9ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PublicStockOfferingAndForwardSalesAgreementMember_57364b4e-b897-4cfe-9d13-60cb8237f164" xlink:href="vici-20231231.xsd#vici_PublicStockOfferingAndForwardSalesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_3a1da964-8167-42ff-85e9-8fd82057e9ad" xlink:to="loc_vici_PublicStockOfferingAndForwardSalesAgreementMember_57364b4e-b897-4cfe-9d13-60cb8237f164" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityShares_fcd83d74-c36e-474d-aca7-e0238bc23c76" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForwardContractIndexedToIssuersEquityShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_538700d5-87c4-4599-ba72-dca65f5d79e1" xlink:to="loc_us-gaap_ForwardContractIndexedToIssuersEquityShares_fcd83d74-c36e-474d-aca7-e0238bc23c76" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharePrice_f77e503d-a697-4e85-8cbb-af957271c596" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_538700d5-87c4-4599-ba72-dca65f5d79e1" xlink:to="loc_us-gaap_SharePrice_f77e503d-a697-4e85-8cbb-af957271c596" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_742eeda0-afa2-4267-a693-e78826dc4518" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_538700d5-87c4-4599-ba72-dca65f5d79e1" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_742eeda0-afa2-4267-a693-e78826dc4518" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OfferingForwardPrice_ca185e84-ac44-420b-ba34-be12e4fcf0ab" xlink:href="vici-20231231.xsd#vici_OfferingForwardPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_538700d5-87c4-4599-ba72-dca65f5d79e1" xlink:to="loc_vici_OfferingForwardPrice_ca185e84-ac44-420b-ba34-be12e4fcf0ab" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue_6a826193-df6c-49fe-bb47-25d318e3f7b5" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_538700d5-87c4-4599-ba72-dca65f5d79e1" xlink:to="loc_us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue_6a826193-df6c-49fe-bb47-25d318e3f7b5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FutureStockToBeIssuedDuringPeriodSharesSoldPursuantToTheExerciseInFullOfUnderwritersOptionToPurchaseAdditionalCommonStock_d3bf0f99-f617-4765-9d60-0110905c4d14" xlink:href="vici-20231231.xsd#vici_FutureStockToBeIssuedDuringPeriodSharesSoldPursuantToTheExerciseInFullOfUnderwritersOptionToPurchaseAdditionalCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_538700d5-87c4-4599-ba72-dca65f5d79e1" xlink:to="loc_vici_FutureStockToBeIssuedDuringPeriodSharesSoldPursuantToTheExerciseInFullOfUnderwritersOptionToPurchaseAdditionalCommonStock_d3bf0f99-f617-4765-9d60-0110905c4d14" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/StockholdersEquityATMProgramActivityDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#StockholdersEquityATMProgramActivityDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/StockholdersEquityATMProgramActivityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_932ad53b-c779-4764-a972-5b305ee1ebd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_932ad53b-c779-4764-a972-5b305ee1ebd7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_940e61d3-1850-4ad0-9bcb-f7063a13ccec" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_932ad53b-c779-4764-a972-5b305ee1ebd7" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_940e61d3-1850-4ad0-9bcb-f7063a13ccec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_940e61d3-1850-4ad0-9bcb-f7063a13ccec_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_940e61d3-1850-4ad0-9bcb-f7063a13ccec" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_940e61d3-1850-4ad0-9bcb-f7063a13ccec_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_2025d331-e6ed-4633-a20b-f3e132cb2c4c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_940e61d3-1850-4ad0-9bcb-f7063a13ccec" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_2025d331-e6ed-4633-a20b-f3e132cb2c4c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ATMStockOfferingProgramMember_c67db6d6-4def-41e0-966a-b1ce0d39ca39" xlink:href="vici-20231231.xsd#vici_ATMStockOfferingProgramMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_2025d331-e6ed-4633-a20b-f3e132cb2c4c" xlink:to="loc_vici_ATMStockOfferingProgramMember_c67db6d6-4def-41e0-966a-b1ce0d39ca39" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PublicStockOfferingAndForwardSalesAgreementMember_6cc5866e-b574-4a0f-8cba-886e361f7262" xlink:href="vici-20231231.xsd#vici_PublicStockOfferingAndForwardSalesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_2025d331-e6ed-4633-a20b-f3e132cb2c4c" xlink:to="loc_vici_PublicStockOfferingAndForwardSalesAgreementMember_6cc5866e-b574-4a0f-8cba-886e361f7262" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ForwardSaleAgreementsAndATMForwardSharesMember_88f3f188-72e0-41e6-8253-6bb09f6e7894" xlink:href="vici-20231231.xsd#vici_ForwardSaleAgreementsAndATMForwardSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_2025d331-e6ed-4633-a20b-f3e132cb2c4c" xlink:to="loc_vici_ForwardSaleAgreementsAndATMForwardSharesMember_88f3f188-72e0-41e6-8253-6bb09f6e7894" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_f88c7797-9a58-4231-a8ed-999ee9d1f168" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_932ad53b-c779-4764-a972-5b305ee1ebd7" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_f88c7797-9a58-4231-a8ed-999ee9d1f168" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_f88c7797-9a58-4231-a8ed-999ee9d1f168_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_f88c7797-9a58-4231-a8ed-999ee9d1f168" xlink:to="loc_us-gaap_EquityComponentDomain_f88c7797-9a58-4231-a8ed-999ee9d1f168_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_f88c7797-9a58-4231-a8ed-999ee9d1f168" xlink:to="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_A2023ATMForwardSaleAgreementsMember_5119db64-30a5-47b8-a788-d8b23d1f99b9" xlink:href="vici-20231231.xsd#vici_A2023ATMForwardSaleAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:to="loc_vici_A2023ATMForwardSaleAgreementsMember_5119db64-30a5-47b8-a788-d8b23d1f99b9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_A2022ATMForwardSaleAgreementsMember_a46eadf7-b86b-4b11-9d62-d7063e395e62" xlink:href="vici-20231231.xsd#vici_A2022ATMForwardSaleAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:to="loc_vici_A2022ATMForwardSaleAgreementsMember_a46eadf7-b86b-4b11-9d62-d7063e395e62" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_A2021ATMForwardSaleAgreementsMember_343e23ff-4966-40fc-80f3-7244ba30f5e3" xlink:href="vici-20231231.xsd#vici_A2021ATMForwardSaleAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:to="loc_vici_A2021ATMForwardSaleAgreementsMember_343e23ff-4966-40fc-80f3-7244ba30f5e3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_January2023ForwardSalesAgreementMember_88aae466-c323-4542-aa3f-7c9b4b2d613a" xlink:href="vici-20231231.xsd#vici_January2023ForwardSalesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:to="loc_vici_January2023ForwardSalesAgreementMember_88aae466-c323-4542-aa3f-7c9b4b2d613a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_November2022ForwardSalesAgreementMember_fae37de3-046a-47f4-b7e4-484f5431b496" xlink:href="vici-20231231.xsd#vici_November2022ForwardSalesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:to="loc_vici_November2022ForwardSalesAgreementMember_fae37de3-046a-47f4-b7e4-484f5431b496" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_September2021ForwardSalesAgreementMember_6dadce05-3d09-4e92-bc16-9bbd5a6b0d3e" xlink:href="vici-20231231.xsd#vici_September2021ForwardSalesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:to="loc_vici_September2021ForwardSalesAgreementMember_6dadce05-3d09-4e92-bc16-9bbd5a6b0d3e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_March2021ForwardSaleAgreementMember_f22d089e-c215-4578-acda-c9d4f3055a10" xlink:href="vici-20231231.xsd#vici_March2021ForwardSaleAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:to="loc_vici_March2021ForwardSaleAgreementMember_f22d089e-c215-4578-acda-c9d4f3055a10" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_June2020ForwardSaleAgreement2Member_bc736cef-0e29-4ac8-9363-892d5dc263a7" xlink:href="vici-20231231.xsd#vici_June2020ForwardSaleAgreement2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_687bd231-1f60-42ea-9916-be76e199d6dc" xlink:to="loc_vici_June2020ForwardSaleAgreement2Member_bc736cef-0e29-4ac8-9363-892d5dc263a7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToIssuersEquityShares_a742fb2b-6965-482a-92b8-6eba089f5850" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForwardContractIndexedToIssuersEquityShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:to="loc_us-gaap_ForwardContractIndexedToIssuersEquityShares_a742fb2b-6965-482a-92b8-6eba089f5850" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharePrice_16d5f65b-b1a1-49b2-8ad0-fdbc94acfd71" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SharePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:to="loc_us-gaap_SharePrice_16d5f65b-b1a1-49b2-8ad0-fdbc94acfd71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_8e2f7982-a759-4104-93bb-ef1fcd1caa24" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_8e2f7982-a759-4104-93bb-ef1fcd1caa24" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_OfferingForwardPrice_5e25e14c-eb5b-489b-a96b-d06abed291e1" xlink:href="vici-20231231.xsd#vici_OfferingForwardPrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:to="loc_vici_OfferingForwardPrice_5e25e14c-eb5b-489b-a96b-d06abed291e1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue_a166ab43-b6f4-403e-97b8-bf87e81e126f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:to="loc_us-gaap_ForwardContractIndexedToEquitySettlementShareFairValue_a166ab43-b6f4-403e-97b8-bf87e81e126f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_27bb5154-90dc-4ed7-8c03-349df5abc78c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_27bb5154-90dc-4ed7-8c03-349df5abc78c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_d576483c-b6c3-473c-a3df-2eee608964bc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_d576483c-b6c3-473c-a3df-2eee608964bc" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_49a2fde4-fa1e-48dc-9f7a-f2ee09ed5ae6" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_9db4ebf3-5975-498d-8ce0-1f11d870bf5c" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfCommonStock_49a2fde4-fa1e-48dc-9f7a-f2ee09ed5ae6" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/StockholdersEquityScheduleofCommonStockOutstandingDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#StockholdersEquityScheduleofCommonStockOutstandingDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/StockholdersEquityScheduleofCommonStockOutstandingDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_45877b0a-322d-48c4-a8a5-a1ad9b0cd8fe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_0e94927d-2647-4ebd-b5d2-2d75fb331bf0" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_45877b0a-322d-48c4-a8a5-a1ad9b0cd8fe" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_0e94927d-2647-4ebd-b5d2-2d75fb331bf0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_24d72840-6c3f-4eeb-8557-ebc8342d5978" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_0e94927d-2647-4ebd-b5d2-2d75fb331bf0" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_24d72840-6c3f-4eeb-8557-ebc8342d5978" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_24d72840-6c3f-4eeb-8557-ebc8342d5978_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_24d72840-6c3f-4eeb-8557-ebc8342d5978" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_24d72840-6c3f-4eeb-8557-ebc8342d5978_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_85e567c7-0b08-4e75-a5a3-1a36b073e008" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_24d72840-6c3f-4eeb-8557-ebc8342d5978" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_85e567c7-0b08-4e75-a5a3-1a36b073e008" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_FollowOnOfferingsMember_a9ef953d-51b6-4b5e-ada8-1c7f2fec3c4c" xlink:href="vici-20231231.xsd#vici_FollowOnOfferingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_85e567c7-0b08-4e75-a5a3-1a36b073e008" xlink:to="loc_vici_FollowOnOfferingsMember_a9ef953d-51b6-4b5e-ada8-1c7f2fec3c4c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ForwardSalesAgreementMember_52289fa6-f265-44bd-b275-44ef3524a799" xlink:href="vici-20231231.xsd#vici_ForwardSalesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_85e567c7-0b08-4e75-a5a3-1a36b073e008" xlink:to="loc_vici_ForwardSalesAgreementMember_52289fa6-f265-44bd-b275-44ef3524a799" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_6948a335-51b2-4c6c-9ab4-0c9b437f8bd7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_0e94927d-2647-4ebd-b5d2-2d75fb331bf0" xlink:to="loc_us-gaap_AwardTypeAxis_6948a335-51b2-4c6c-9ab4-0c9b437f8bd7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6948a335-51b2-4c6c-9ab4-0c9b437f8bd7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_6948a335-51b2-4c6c-9ab4-0c9b437f8bd7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6948a335-51b2-4c6c-9ab4-0c9b437f8bd7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_36c4e14c-250f-4acb-beaa-cc0f27c9e68a" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_6948a335-51b2-4c6c-9ab4-0c9b437f8bd7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_36c4e14c-250f-4acb-beaa-cc0f27c9e68a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_StockIncentivePlanMember_d20b118e-c774-46e9-86af-f1ea74e7606f" xlink:href="vici-20231231.xsd#vici_StockIncentivePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_36c4e14c-250f-4acb-beaa-cc0f27c9e68a" xlink:to="loc_vici_StockIncentivePlanMember_d20b118e-c774-46e9-86af-f1ea74e7606f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2e2250ef-a5f7-485b-81a8-1d7f5a29c116" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_45877b0a-322d-48c4-a8a5-a1ad9b0cd8fe" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2e2250ef-a5f7-485b-81a8-1d7f5a29c116" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_c34bc87a-e10b-4651-9479-513388864172" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2e2250ef-a5f7-485b-81a8-1d7f5a29c116" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_c34bc87a-e10b-4651-9479-513388864172" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_b3a0232e-8859-4d36-bef9-ca96ef51ca9e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2e2250ef-a5f7-485b-81a8-1d7f5a29c116" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_b3a0232e-8859-4d36-bef9-ca96ef51ca9e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_322e678f-177a-4a12-b5e7-5ccbf94cd1b8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_2e2250ef-a5f7-485b-81a8-1d7f5a29c116" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_322e678f-177a-4a12-b5e7-5ccbf94cd1b8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_a071464e-8de7-4078-a268-e7d1a1e9ee68" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockSharesOutstanding"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/EarningsPerShareandEarningsPerUnitScheduleOfWeightedAverageEarningsPerShareDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#EarningsPerShareandEarningsPerUnitScheduleOfWeightedAverageEarningsPerShareDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/EarningsPerShareandEarningsPerUnitScheduleOfWeightedAverageEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedLineItems_56da30fb-37ac-486e-9865-6c5fe32fee8e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareDilutedLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_e7e587a9-b765-42df-9051-19edfbaf1593" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_56da30fb-37ac-486e-9865-6c5fe32fee8e" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_e7e587a9-b765-42df-9051-19edfbaf1593" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_2c84d049-5685-4527-9b7d-72f52a90bad9" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_e7e587a9-b765-42df-9051-19edfbaf1593" xlink:to="loc_dei_LegalEntityAxis_2c84d049-5685-4527-9b7d-72f52a90bad9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_2c84d049-5685-4527-9b7d-72f52a90bad9_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_2c84d049-5685-4527-9b7d-72f52a90bad9" xlink:to="loc_dei_EntityDomain_2c84d049-5685-4527-9b7d-72f52a90bad9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_fd9d708a-5fe6-4ba9-b8ef-5bf8f6773839" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_2c84d049-5685-4527-9b7d-72f52a90bad9" xlink:to="loc_dei_EntityDomain_fd9d708a-5fe6-4ba9-b8ef-5bf8f6773839" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIPropertiesLPMember_7de7321f-e151-40e3-ac3b-1d31ea021af8" xlink:href="vici-20231231.xsd#vici_VICIPropertiesLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_fd9d708a-5fe6-4ba9-b8ef-5bf8f6773839" xlink:to="loc_vici_VICIPropertiesLPMember_7de7321f-e151-40e3-ac3b-1d31ea021af8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9ef25118-b18a-4a25-a2d8-8e3fd62125cb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_56da30fb-37ac-486e-9865-6c5fe32fee8e" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_9ef25118-b18a-4a25-a2d8-8e3fd62125cb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9ed34984-66a2-4792-8e20-38fbdea4aba4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_56da30fb-37ac-486e-9865-6c5fe32fee8e" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_9ed34984-66a2-4792-8e20-38fbdea4aba4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToEquityForwardAgreements_fb6e4153-b329-4740-9518-5caad9eda6dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncrementalCommonSharesAttributableToEquityForwardAgreements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_56da30fb-37ac-486e-9865-6c5fe32fee8e" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToEquityForwardAgreements_fb6e4153-b329-4740-9518-5caad9eda6dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a9af0c5f-baf7-4702-8f10-5681c2bdcca9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_56da30fb-37ac-486e-9865-6c5fe32fee8e" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_a9af0c5f-baf7-4702-8f10-5681c2bdcca9" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/EarningsPerShareandEarningsPerUnitScheduleOfBasicAndDilutedEarningsPerShareDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#EarningsPerShareandEarningsPerUnitScheduleOfBasicAndDilutedEarningsPerShareDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/EarningsPerShareandEarningsPerUnitScheduleOfBasicAndDilutedEarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedLineItems_e81d8653-2772-4138-b3ed-00b686e52d82" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareDilutedLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_4cb43fb6-d7a5-4eaa-ae36-941cb9b1a00f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_e81d8653-2772-4138-b3ed-00b686e52d82" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_4cb43fb6-d7a5-4eaa-ae36-941cb9b1a00f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_65da35fb-0dbc-476e-b965-e595f3b9d982" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_4cb43fb6-d7a5-4eaa-ae36-941cb9b1a00f" xlink:to="loc_dei_LegalEntityAxis_65da35fb-0dbc-476e-b965-e595f3b9d982" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_65da35fb-0dbc-476e-b965-e595f3b9d982_default" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_65da35fb-0dbc-476e-b965-e595f3b9d982" xlink:to="loc_dei_EntityDomain_65da35fb-0dbc-476e-b965-e595f3b9d982_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_ea7832e1-265a-45db-aac7-c2aeeaf604af" xlink:href="https://xbrl.sec.gov/dei/2023/dei-2023.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_65da35fb-0dbc-476e-b965-e595f3b9d982" xlink:to="loc_dei_EntityDomain_ea7832e1-265a-45db-aac7-c2aeeaf604af" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_VICIPropertiesLPMember_bccb7049-f6c2-4ca9-8a1d-187b15a561a8" xlink:href="vici-20231231.xsd#vici_VICIPropertiesLPMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_ea7832e1-265a-45db-aac7-c2aeeaf604af" xlink:to="loc_vici_VICIPropertiesLPMember_bccb7049-f6c2-4ca9-8a1d-187b15a561a8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsBasicAbstract_4b9ab722-bc28-4427-8fc9-40fad534284c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsBasicAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_e81d8653-2772-4138-b3ed-00b686e52d82" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsBasicAbstract_4b9ab722-bc28-4427-8fc9-40fad534284c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_4caee21b-4f89-44de-bb67-96db22d4cdbb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsBasicAbstract_4b9ab722-bc28-4427-8fc9-40fad534284c" xlink:to="loc_us-gaap_NetIncomeLoss_4caee21b-4f89-44de-bb67-96db22d4cdbb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_097b3433-8f17-4b5e-9dd1-3c6968d3a4dc" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsBasicAbstract_4b9ab722-bc28-4427-8fc9-40fad534284c" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_097b3433-8f17-4b5e-9dd1-3c6968d3a4dc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_78bc606e-8d81-4a0b-98cb-2afb66c9c715" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsBasicAbstract_4b9ab722-bc28-4427-8fc9-40fad534284c" xlink:to="loc_us-gaap_EarningsPerShareBasic_78bc606e-8d81-4a0b-98cb-2afb66c9c715" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsDilutedAbstract_9ab41882-db97-4e58-87ac-7d7ba77e0bc9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsDilutedAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems_e81d8653-2772-4138-b3ed-00b686e52d82" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsDilutedAbstract_9ab41882-db97-4e58-87ac-7d7ba77e0bc9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_d06186ec-b72d-433d-90c1-a79a06172c39" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsDilutedAbstract_9ab41882-db97-4e58-87ac-7d7ba77e0bc9" xlink:to="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_d06186ec-b72d-433d-90c1-a79a06172c39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01146cce-4440-4e1b-a509-984fde214987" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsDilutedAbstract_9ab41882-db97-4e58-87ac-7d7ba77e0bc9" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_01146cce-4440-4e1b-a509-984fde214987" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_35577c81-6d9c-4fdf-93af-da2a551ce88c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersOperationsDilutedAbstract_9ab41882-db97-4e58-87ac-7d7ba77e0bc9" xlink:to="loc_us-gaap_EarningsPerShareDiluted_35577c81-6d9c-4fdf-93af-da2a551ce88c" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/StockBasedCompensationNarrativeDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#StockBasedCompensationNarrativeDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/StockBasedCompensationNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ccf85154-0893-4242-a16a-f8e52a97c77b" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ccf85154-0893-4242-a16a-f8e52a97c77b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_5c95d78c-bda6-460a-8b32-de4211bb8a1b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ccf85154-0893-4242-a16a-f8e52a97c77b" xlink:to="loc_srt_RangeAxis_5c95d78c-bda6-460a-8b32-de4211bb8a1b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_5c95d78c-bda6-460a-8b32-de4211bb8a1b_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_5c95d78c-bda6-460a-8b32-de4211bb8a1b" xlink:to="loc_srt_RangeMember_5c95d78c-bda6-460a-8b32-de4211bb8a1b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d452ee21-67dc-4e4a-aaa7-be4cbcaa3c0b" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_5c95d78c-bda6-460a-8b32-de4211bb8a1b" xlink:to="loc_srt_RangeMember_d452ee21-67dc-4e4a-aaa7-be4cbcaa3c0b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_4e0abd87-cc88-4717-84f5-a4ee4b33b63e" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_d452ee21-67dc-4e4a-aaa7-be4cbcaa3c0b" xlink:to="loc_srt_MinimumMember_4e0abd87-cc88-4717-84f5-a4ee4b33b63e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_199c2899-de5d-4c8b-8ae9-0e0b797985e9" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_d452ee21-67dc-4e4a-aaa7-be4cbcaa3c0b" xlink:to="loc_srt_MaximumMember_199c2899-de5d-4c8b-8ae9-0e0b797985e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_3035039e-fc5c-4a21-9b8d-b03eee88622d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ccf85154-0893-4242-a16a-f8e52a97c77b" xlink:to="loc_us-gaap_AwardTypeAxis_3035039e-fc5c-4a21-9b8d-b03eee88622d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3035039e-fc5c-4a21-9b8d-b03eee88622d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_3035039e-fc5c-4a21-9b8d-b03eee88622d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_3035039e-fc5c-4a21-9b8d-b03eee88622d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_435ef64e-f904-42c7-8b55-f9334e81d14c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_3035039e-fc5c-4a21-9b8d-b03eee88622d" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_435ef64e-f904-42c7-8b55-f9334e81d14c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_StockIncentivePlanMember_38d78dad-01e4-42d9-8141-059b8a94e980" xlink:href="vici-20231231.xsd#vici_StockIncentivePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_435ef64e-f904-42c7-8b55-f9334e81d14c" xlink:to="loc_vici_StockIncentivePlanMember_38d78dad-01e4-42d9-8141-059b8a94e980" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_TimeBasedRestrictedSharesMember_5d7d850f-9663-444e-aeaa-778737fb12c6" xlink:href="vici-20231231.xsd#vici_TimeBasedRestrictedSharesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_435ef64e-f904-42c7-8b55-f9334e81d14c" xlink:to="loc_vici_TimeBasedRestrictedSharesMember_5d7d850f-9663-444e-aeaa-778737fb12c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PerformanceBasedRestrictedStockUnitsMember_647c0566-0f20-4b2a-8cc2-64562c0b4cbc" xlink:href="vici-20231231.xsd#vici_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_435ef64e-f904-42c7-8b55-f9334e81d14c" xlink:to="loc_vici_PerformanceBasedRestrictedStockUnitsMember_647c0566-0f20-4b2a-8cc2-64562c0b4cbc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_f9076f6c-cfb0-444f-a3c3-fb13492f2e19" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_f9076f6c-cfb0-444f-a3c3-fb13492f2e19" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfRemainingSharesAuthorized_51bd2e3a-f5d2-45dc-9545-2b2f50ebfaa9" xlink:href="vici-20231231.xsd#vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfRemainingSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfRemainingSharesAuthorized_51bd2e3a-f5d2-45dc-9545-2b2f50ebfaa9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_50e78983-f450-4ada-9e1a-8b3bb9778636" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_50e78983-f450-4ada-9e1a-8b3bb9778636" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_15dbee84-11e4-4b0a-a8ee-681f825b30de" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_15dbee84-11e4-4b0a-a8ee-681f825b30de" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodOfVolumeOfWeightedAveragePrice_cf5baaea-561b-4a34-8b6c-45d6e9aacc32" xlink:href="vici-20231231.xsd#vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodOfVolumeOfWeightedAveragePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardPeriodOfVolumeOfWeightedAveragePrice_cf5baaea-561b-4a34-8b6c-45d6e9aacc32" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SharebasedCompensationArrangementbySharebasedPaymentAwardTradingDays_a4d27618-6daa-4b73-a0ac-f8952e0409af" xlink:href="vici-20231231.xsd#vici_SharebasedCompensationArrangementbySharebasedPaymentAwardTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_vici_SharebasedCompensationArrangementbySharebasedPaymentAwardTradingDays_a4d27618-6daa-4b73-a0ac-f8952e0409af" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAtTargetLevelOfPerformance_f2c1db92-6ec1-4fa1-be04-95f7fb39615d" xlink:href="vici-20231231.xsd#vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAtTargetLevelOfPerformance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodAtTargetLevelOfPerformance_f2c1db92-6ec1-4fa1-be04-95f7fb39615d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod_1f090a55-e722-4ba1-8cdb-2836c3f7c4df" xlink:href="vici-20231231.xsd#vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod_1f090a55-e722-4ba1-8cdb-2836c3f7c4df" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_bcd69789-8ae8-40c1-aad1-17f9f8c826ac" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_bcd69789-8ae8-40c1-aad1-17f9f8c826ac" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_cec29e1e-e384-493e-a3bd-e596f83f38bf" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_cec29e1e-e384-493e-a3bd-e596f83f38bf" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_20062c21-0682-4306-b253-0e816c220dbd" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_20062c21-0682-4306-b253-0e816c220dbd" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_1324e94c-f454-44bd-adba-3c43862a1860" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_0875fe90-fa06-4aba-8481-92f76c9c9ab7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_1324e94c-f454-44bd-adba-3c43862a1860" xlink:type="arc" order="11"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/StockBasedCompensationScheduleofCompensationExpenseDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#StockBasedCompensationScheduleofCompensationExpenseDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/StockBasedCompensationScheduleofCompensationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f527594d-5cc8-4d21-b2b1-25e8fd2b9f9f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ddc78f2c-5e1e-4e74-8df9-281a68423448" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f527594d-5cc8-4d21-b2b1-25e8fd2b9f9f" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ddc78f2c-5e1e-4e74-8df9-281a68423448" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_ec45c788-5192-4646-8a8b-2a8b47c81e2d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ddc78f2c-5e1e-4e74-8df9-281a68423448" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_ec45c788-5192-4646-8a8b-2a8b47c81e2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_ec45c788-5192-4646-8a8b-2a8b47c81e2d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_ec45c788-5192-4646-8a8b-2a8b47c81e2d" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_ec45c788-5192-4646-8a8b-2a8b47c81e2d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_0b623dbd-c193-4a7d-9ea3-a562ee36e156" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_ec45c788-5192-4646-8a8b-2a8b47c81e2d" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_0b623dbd-c193-4a7d-9ea3-a562ee36e156" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GeneralAndAdministrativeExpenseMember_7f016e3b-f453-4c5b-8517-d45398dfdf54" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_GeneralAndAdministrativeExpenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_0b623dbd-c193-4a7d-9ea3-a562ee36e156" xlink:to="loc_us-gaap_GeneralAndAdministrativeExpenseMember_7f016e3b-f453-4c5b-8517-d45398dfdf54" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_00a62d58-2e56-46a1-a841-22e9b2de173c" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_f527594d-5cc8-4d21-b2b1-25e8fd2b9f9f" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_00a62d58-2e56-46a1-a841-22e9b2de173c" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/StockBasedCompensationScheduleOfRestrictedStockDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#StockBasedCompensationScheduleOfRestrictedStockDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/StockBasedCompensationScheduleOfRestrictedStockDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_55158005-13b0-46b3-b13e-e9160a425d70" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_120b2af5-9299-495b-bde0-6618fa38a6ad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_55158005-13b0-46b3-b13e-e9160a425d70" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_120b2af5-9299-495b-bde0-6618fa38a6ad" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_055de991-6182-468d-b15d-a76ad47dcbcb" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_120b2af5-9299-495b-bde0-6618fa38a6ad" xlink:to="loc_us-gaap_AwardTypeAxis_055de991-6182-468d-b15d-a76ad47dcbcb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_055de991-6182-468d-b15d-a76ad47dcbcb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_055de991-6182-468d-b15d-a76ad47dcbcb" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_055de991-6182-468d-b15d-a76ad47dcbcb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9177899c-c49f-4885-9582-f3a7e0ed6e48" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_055de991-6182-468d-b15d-a76ad47dcbcb" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9177899c-c49f-4885-9582-f3a7e0ed6e48" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_IncentiveAndTimeBasedRestrictedStockMember_0f56af50-d90c-442d-bece-a337605e5095" xlink:href="vici-20231231.xsd#vici_IncentiveAndTimeBasedRestrictedStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9177899c-c49f-4885-9582-f3a7e0ed6e48" xlink:to="loc_vici_IncentiveAndTimeBasedRestrictedStockMember_0f56af50-d90c-442d-bece-a337605e5095" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_PerformanceBasedRestrictedStockUnitsMember_723597a5-947d-4ea4-b355-b2679f04f701" xlink:href="vici-20231231.xsd#vici_PerformanceBasedRestrictedStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_9177899c-c49f-4885-9582-f3a7e0ed6e48" xlink:to="loc_vici_PerformanceBasedRestrictedStockUnitsMember_723597a5-947d-4ea4-b355-b2679f04f701" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_fcbf0f9f-22ab-4170-aed8-20ff755fc145" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_55158005-13b0-46b3-b13e-e9160a425d70" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_fcbf0f9f-22ab-4170-aed8-20ff755fc145" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_20626505-d9f8-43c3-a121-2f504e88b9db" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_fcbf0f9f-22ab-4170-aed8-20ff755fc145" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_20626505-d9f8-43c3-a121-2f504e88b9db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_c9bce276-82e5-4ced-a067-fa9d6412ea66" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_fcbf0f9f-22ab-4170-aed8-20ff755fc145" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_c9bce276-82e5-4ced-a067-fa9d6412ea66" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_24388eb0-576c-4fa8-a6bd-5c5fc20e350d" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_fcbf0f9f-22ab-4170-aed8-20ff755fc145" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_24388eb0-576c-4fa8-a6bd-5c5fc20e350d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_ce92f953-906a-4f29-9990-3ab45805fdfe" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_fcbf0f9f-22ab-4170-aed8-20ff755fc145" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_ce92f953-906a-4f29-9990-3ab45805fdfe" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCanceledInPeriod_3b569786-5fe1-4db9-a6c9-de3429f4e855" xlink:href="vici-20231231.xsd#vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCanceledInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_fcbf0f9f-22ab-4170-aed8-20ff755fc145" xlink:to="loc_vici_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsCanceledInPeriod_3b569786-5fe1-4db9-a6c9-de3429f4e855" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_8bc5a241-b473-4933-b40e-a5e8f828f7c9" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_fdf6ab48-c718-49c3-8237-fca0f75a2283" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_55158005-13b0-46b3-b13e-e9160a425d70" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_fdf6ab48-c718-49c3-8237-fca0f75a2283" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_59affbe4-9598-474e-b84b-e12ff5735218" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_fdf6ab48-c718-49c3-8237-fca0f75a2283" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_59affbe4-9598-474e-b84b-e12ff5735218" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_026c0c38-d943-4aa2-ab89-3fa778dc3fe8" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_fdf6ab48-c718-49c3-8237-fca0f75a2283" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_026c0c38-d943-4aa2-ab89-3fa778dc3fe8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_22c51683-b98f-4a6b-b595-aee14e00632f" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_fdf6ab48-c718-49c3-8237-fca0f75a2283" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue_22c51683-b98f-4a6b-b595-aee14e00632f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_26a0da11-bff1-4cb3-8d5e-49a35fa457ad" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_fdf6ab48-c718-49c3-8237-fca0f75a2283" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_26a0da11-bff1-4cb3-8d5e-49a35fa457ad" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsCanceledWeightedAverageGrantDateFairValue_c0ab4556-fd92-4749-9ce3-fdd43288e2e8" xlink:href="vici-20231231.xsd#vici_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsCanceledWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_fdf6ab48-c718-49c3-8237-fca0f75a2283" xlink:to="loc_vici_SharebasedCompensationArrangementbySharebasedPaymentAwardEquityInstrumentsOtherthanOptionsCanceledWeightedAverageGrantDateFairValue_c0ab4556-fd92-4749-9ce3-fdd43288e2e8" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_3b2f06c7-889a-4964-8a93-6fd6c20008f7" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://viciproperties.com/role/IncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="vici-20231231.xsd#IncomeTaxesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://viciproperties.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyLineItems_9ed0c452-5aef-42a7-a47c-2f7b19f6a2f2" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxContingencyLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyTable_49162ebc-3d7d-491a-8f95-4846b7566043" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_IncomeTaxContingencyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_9ed0c452-5aef-42a7-a47c-2f7b19f6a2f2" xlink:to="loc_us-gaap_IncomeTaxContingencyTable_49162ebc-3d7d-491a-8f95-4846b7566043" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_4838f103-0f44-4b17-b6e6-530ff736e2e0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxContingencyTable_49162ebc-3d7d-491a-8f95-4846b7566043" xlink:to="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_4838f103-0f44-4b17-b6e6-530ff736e2e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_4838f103-0f44-4b17-b6e6-530ff736e2e0_default" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_4838f103-0f44-4b17-b6e6-530ff736e2e0" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_4838f103-0f44-4b17-b6e6-530ff736e2e0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_d8d69a75-728f-41bd-88f7-4e74dd5ea3c0" xlink:href="https://xbrl.fasb.org/srt/2023/elts/srt-2023.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_4838f103-0f44-4b17-b6e6-530ff736e2e0" xlink:to="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_d8d69a75-728f-41bd-88f7-4e74dd5ea3c0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_GolfCoursesMember_21889ed5-9009-44e5-b8e6-d8fbb4306f4c" xlink:href="vici-20231231.xsd#vici_GolfCoursesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_d8d69a75-728f-41bd-88f7-4e74dd5ea3c0" xlink:to="loc_vici_GolfCoursesMember_21889ed5-9009-44e5-b8e6-d8fbb4306f4c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_UndistributedNetTaxableIncomeSubjectToIncomeTaxAtCorporateTaxRatePercent_a57ec2a0-77df-43ce-a8e6-90c42de423e1" xlink:href="vici-20231231.xsd#vici_UndistributedNetTaxableIncomeSubjectToIncomeTaxAtCorporateTaxRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_9ed0c452-5aef-42a7-a47c-2f7b19f6a2f2" xlink:to="loc_vici_UndistributedNetTaxableIncomeSubjectToIncomeTaxAtCorporateTaxRatePercent_a57ec2a0-77df-43ce-a8e6-90c42de423e1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties_b4bf9a1a-a60d-44d9-9dd0-1bb79ae8040e" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_9ed0c452-5aef-42a7-a47c-2f7b19f6a2f2" xlink:to="loc_us-gaap_NumberOfRealEstateProperties_b4bf9a1a-a60d-44d9-9dd0-1bb79ae8040e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_vici_AmountofOutdoorBusinessPortionAllocatedtoFederalIncomeTaxes_dcc74314-5519-4af6-afa0-fae15e955d45" xlink:href="vici-20231231.xsd#vici_AmountofOutdoorBusinessPortionAllocatedtoFederalIncomeTaxes"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_9ed0c452-5aef-42a7-a47c-2f7b19f6a2f2" xlink:to="loc_vici_AmountofOutdoorBusinessPortionAllocatedtoFederalIncomeTaxes_dcc74314-5519-4af6-afa0-fae15e955d45" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_660b2922-fa2f-4cec-b25e-3721d59460f4" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_9ed0c452-5aef-42a7-a47c-2f7b19f6a2f2" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_660b2922-fa2f-4cec-b25e-3721d59460f4" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration_a803a0da-1926-44c7-9c49-a7b8f9ba8f29" xlink:href="https://xbrl.fasb.org/us-gaap/2023/elts/us-gaap-2023.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxContingencyLineItems_9ed0c452-5aef-42a7-a47c-2f7b19f6a2f2" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration_a803a0da-1926-44c7-9c49-a7b8f9ba8f29" xlink:type="arc" order="4"/>
  </link:definitionLink>
</link:linkbase>
