/ Thesaurus / C Synonyms of coup de grace Find synonyms for: Noun1. deathblow, coup de grace, killing, kill, putting to deathusage: the blow that kills (usually mercifully)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language