/ Thesaurus / B Synonyms of black tie Find synonyms for: Noun1. dinner jacket, tux, tuxedo, black tie, formalwear, eveningwear, evening dress, evening clothesusage: semiformal evening dress for men2. black tie, bow tie, bow-tie, bowtieusage: a black bow tie worn with a dinner jacketAdjective1. semiformal, semi-formal, black-tie, formal (vs. informal)usage: moderately formal; requiring a dinner jacket; "he wore semiformal attire"; "a black-tie dinner"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language