Breadcrumb Home > Thesaurus > W Synonyms of waistcoat Find synonyms for: Noun1. vest, waistcoat, garmentusage: a man's sleeveless garment worn underneath a coatWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of waistcoat (Dictionary) ✖ Related Content Daily Word Quiz: sepulture Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language