costume partynoun [ C ]
USa party where people wear special clothes that make them look like a particular character, animal or object:
She went to a costume party dressed as a pirate.
Thesaurus: synonyms and related words
Celebrations, parties & special occasions
- a night on the town idiom
- a/the gathering of the clans idiom
- afterparty
- April Fool's Day
- bachelor party
- feast
- fest
- festival
- festive
- festivity
- fundraiser
- New Year's Eve
- night
- nightclubbing
- nightlife
- occasion
- party planner
- prom
- rage
- rave
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