cohabit with

cohabit with (someone or something)

1. Literally, to live with someone or something. This usage is often applied to different species of animals that are living together. It took some time, but our cat and dog are now able to cohabit with each other peacefully.2. To live with a romantic partner whom one is not married to. My daughter is already cohabiting with her new boyfriend, and I am not thrilled about it.3. euphemism To have sex with someone. I heard a rumor that you've been cohabiting with Steve—is it true?See also: cohabit

cohabit with someone

 1. [for an unmarried person] to live with a person of the opposite sex. They were cohabiting with one another for several years. 2. Euph. to copulate with someone. She had been cohabiting with him, and she admitted it in court.See also: cohabit