Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun black-tie

2 senses of black tie

Sense 1
dinner jacket, tux, tuxedo, black tie -- (semiformal evening dress for men)
       => formalwear, eveningwear, evening dress, evening clothes -- (attire to wear on formal occasions in the evening)

Sense 2
black tie -- (a black bow tie worn with a dinner jacket)
       => bow tie, bow-tie, bowtie -- (a man's tie that ties in a bow)

Antonyms of adj black-tie

1 sense of black-tie

Sense 1
semiformal, semi-formal, black-tie -- (moderately formal; requiring a dinner jacket; "he wore semiformal attire"; "a black-tie dinner")

INDIRECT (VIA formal) -> informal -- (not formal; "conservative people unaccustomed to informal dress"; "an informal free-and-easy manner"; "an informal gathering of friends")

Similarity of adj black-tie

1 sense of black-tie

Sense 1
semiformal, semi-formal, black-tie -- (moderately formal; requiring a dinner jacket; "he wore semiformal attire"; "a black-tie dinner")
       => formal (vs. informal) -- (being in accord with established forms and conventions and requirements (as e.g. of formal dress); "pay one's formal respects"; "formal dress"; "a formal ball"; "the requirement was only formal and often ignored"; "a formal education")