/ Thesaurus / D Synonyms of dinner jacket Find synonyms for: Noun1. dinner jacket, tux, tuxedo, black tie, formalwear, eveningwear, evening dress, evening clothesusage: semiformal evening dress for menWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: divulge Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language