Added 9 October 2026 roommate /ˈɹu(m)ˌmeɪt/ noun Categories: PeopleRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about roommate at Wordnik → Where our words come from → An associate who shares a room with you. Related Words: flatmateroomiecompanionbuddyfriendtenantrenterpartnerboyfriendgirlfriendgirllessee Back to today's word