co‧hab‧it /kəʊˈhæbət, kəʊˈhæbɪt $ koʊ-/ verb [intransitive]
[Date: 1500-1600; Language: Late Latin; Origin: cohabitare, from Latin co- ( ⇒ co-) + habitare (, habitation)]
to live with another person and have a sexual relationship with them without being married Synonym : live together
—cohabitation /kəʊˌhæbəˈteɪʃən, kəʊˌhæbɪˈteɪʃən $ koʊ-/ noun [uncountable]

[TahlilGaran] Dictionary of Contemporary English ▲