Synonyms of costume in English:

costume


See definition of costume

noun

1‘there's a prize for the best costume’

SYNONYMS

outfit, ensemble, suit

dress, clothing, attire, garb, uniform, livery, array, regalia

clothes, garments, robes

informal get-up, gear, togs, garms, duds, glad rags

British informal clobber, kit, strip, rig-out

North American informal threads

formal apparel

literary raiment, habiliments

archaic vestments, vesture, habit

2‘if you'd like a dip, we can lend you a costume’

SYNONYMS

swimsuit, bathing suit, bathing costume, swimming costume, bikini

pair of swimming trunks, pair of trunks

informal cossie, swimming togs

Australian informal bathers, swimmers