/ Thesaurus / M Synonyms of morning coat Find synonyms for: Noun1. swallow-tailed coat, swallowtail, morning coat, jacketusage: a man's full-dress jacket with two long tapering tails at the backWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abdicate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language