spousal equivalent

spousal equivalent or spouse equivalent

n.

A domestic partner. See Usage Note at domestic partner.

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spousal equivalence, spousal equivalency n.

Thesaurus

Noun

1.

spousal equivalent - a person (not necessarily a spouse) with whom you cohabit and share a long-term sexual relationship domestic partner, significant other, spouse equivalent individual, mortal, person, somebody, someone, soul - a human being; "there was too much for one person to do" lover - a significant other to whom you are not related by marriage better half, married person, partner, spouse, mate - a person's partner in marriage