Added 9 October 2026 teammate /ˈtiːmˌmeɪt/ noun Categories: PeopleRare Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about teammate at Wordnik → Where our words come from → A fellow member of a team. it was his first start against his former teammates Related Words: mateco-workercolleaguesidekickcompatriotcompanionpartnerwingmanteamcrewmanplayergambler Back to today's word