roommate

Meanings

1. 1
   noun

   A person sharing the same home albeit not the same room (but generally not a family member or spouse).

   I live with Marsha. We’re roommates.

2. 2
   noun

   an associate who shares a room with you

3. 3
   noun

   A person with whom one shares a room, as in a dormitory, barracks, rooming house, or apartment.

4. 4
   noun

   A same-sex significant other with whom one lives; a coinhabitant in a non-heterosexual relationship.

Etymology

From room + -mate.