cohabit
verb
[ kəʊˈhabɪt ]
• live together and have a sexual relationship without being married.
• "an increasing number of couples are cohabiting"
Similar:
live together,
live with,
sleep with,
sleep together,
shack up with,
live in sin,
live over the brush,
• coexist.
• "animals that can cohabit with humans thrive"
Origin:
mid 16th century: from Latin cohabitare, from co- ‘together’ + habitare ‘dwell’.
