verb (used without object)
- to live together as if married, usually without legal or religious sanction.
- to live together in an intimate relationship.
- to dwell with another or share the same place, as different species of animals.
- (intr) to live together as husband and wife, esp without being married
v.euphemism since 1530s to describe a couple living together without benefit of marriage; back-formation from cohabitation. Related: Cohabited; cohabiting.