Synonyms and Antonyms of teammate
a person who is on the same team as someone else
- They have been teammates for several years.
- She's very popular among her teammates.
classmate, housemate, messmate, playfellow, playmate, roommate (also roomie), schoolmate, shipmate
associate, cohort, companion, compatriot, compeer, comrade, crony, fellow, hobnobber, mate, running mate
colleague, coworker, equal, peer, workmate
accomplice, affiliate, ally, collaborator, confederate, half, partner
buddy, chum, confidant, familiar, friend, hearty, intimate, pal
hanger-on, leech, parasite