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

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2026 Workiva-->
<!--r:019ce918-e813-7541-bec2-78167bfb3ac6,g:71baec38-af9b-4979-b0e7-064afe77dd1a-->
<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://jllipt.com/role/Cover" xlink:type="simple" xlink:href="jllip-20260316.xsd#Cover"/>
  <link:definitionLink xlink:role="http://jllipt.com/role/Cover" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_019ce918-e813-75c1-8fce-64a6a6eff78b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_DocumentInformationTable_019ce918-e813-75c1-8fce-64a6a6eff78b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_019ce918-e813-7050-96d7-6475f6a2fad2" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_AmendmentFlag_019ce918-e813-7050-96d7-6475f6a2fad2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_019ce918-e813-713e-853f-4251c683a0ea" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityCentralIndexKey_019ce918-e813-713e-853f-4251c683a0ea" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_019ce918-e813-7581-bb11-fbe56490b155" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_CityAreaCode_019ce918-e813-7581-bb11-fbe56490b155" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_019ce918-e813-7d6f-a4f7-835162b6242a" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_LocalPhoneNumber_019ce918-e813-7d6f-a4f7-835162b6242a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_019ce918-e813-7f2b-9726-904c8814f985" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_DocumentPeriodEndDate_019ce918-e813-7f2b-9726-904c8814f985" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_019ce918-e813-7615-9d89-c90353e76883" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityAddressCityOrTown_019ce918-e813-7615-9d89-c90353e76883" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_019ce918-e813-7bba-9d68-5a5a0cf85bf1" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityAddressStateOrProvince_019ce918-e813-7bba-9d68-5a5a0cf85bf1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_019ce918-e813-73bb-a867-5daccf64cdee" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityAddressPostalZipCode_019ce918-e813-73bb-a867-5daccf64cdee" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_019ce918-e813-777e-b53c-acd50615f6b4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityEmergingGrowthCompany_019ce918-e813-777e-b53c-acd50615f6b4" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_019ce918-e813-7c33-af72-9c13575f12a4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityFileNumber_019ce918-e813-7c33-af72-9c13575f12a4" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_019ce918-e813-79de-b0f5-e606e6a15e60" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityTaxIdentificationNumber_019ce918-e813-79de-b0f5-e606e6a15e60" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_019ce918-e813-7daf-9e85-a092b7d27854" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityIncorporationStateCountryCode_019ce918-e813-7daf-9e85-a092b7d27854" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_019ce918-e813-7c08-911d-67f8ca7cd5ec" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityAddressAddressLine1_019ce918-e813-7c08-911d-67f8ca7cd5ec" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_019ce918-e813-7c79-b6c6-9151ea2acd77" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_EntityRegistrantName_019ce918-e813-7c79-b6c6-9151ea2acd77" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_019ce918-e813-7d3a-ad85-ff1022263094" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_PreCommencementTenderOffer_019ce918-e813-7d3a-ad85-ff1022263094" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_019ce918-e813-70af-a84c-83b9d85a28e7" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_PreCommencementIssuerTenderOffer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_019ce918-e813-70af-a84c-83b9d85a28e7" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_019ce918-e813-7846-be21-92d88133267d" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_WrittenCommunications"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_WrittenCommunications_019ce918-e813-7846-be21-92d88133267d" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_019ce918-e813-7337-b29a-9a10276bacac" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_SolicitingMaterial"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_019ce918-e813-740f-9c26-de33d1494b74" xlink:to="loc_dei_SolicitingMaterial_019ce918-e813-7337-b29a-9a10276bacac" xlink:type="arc" order="17"/>
  </link:definitionLink>
</link:linkbase>
