/ Thesaurus / B Synonyms of bitter end Find synonyms for: Noun1. bitter end, extremityusage: the final extremity (however unpleasant it may be); "he was determined to fight to the bitter end"2. bitter end, end, terminalusage: (nautical) the inboard end of a line or cable especially the end that is wound around a bittWordNet 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