roommate.
A person with whom one shares a room, as in a dormitory, barracks, rooming house, or apartment.
Meaning & usage
A person with whom one shares a room, as in a dormitory, barracks, rooming house, or apartment.
A person sharing the same home albeit not the same room (but generally not a family member or spouse).
A same-sex significant other with whom one lives; a coinhabitant in a non-heterosexual relationship.
Where this word comes from
Etymology tree Proto-Indo-European *Hrew-? Proto-Indo-European *(H)rewH-der. Proto-Germanic *rūmą Proto-West Germanic *rūm Old English rūm Middle English roum English room Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Germanic *ga- Proto-Indo-European *meh₂d-der. Proto-Germanic *matiz Proto-Germanic *matjô Proto-West Germanic *gamatjôder. Old Saxon gimatoder. Middle Low German matebor. Middle English mate English mate English -mate English roommate From room + -mate.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.