white-tie
adjective/ˌwaɪt ˈtaɪ/
/ˌwaɪt ˈtaɪ/
- (of social occasions) very formal, when men are expected to wear white bow ties and jackets with tails
- Is it a white-tie affair?
Check pronunciation:
white-tie
Definition of white-tie adjective from the Oxford Advanced Learner's Dictionary