Breadcrumb Home > Thesaurus > I Synonyms of impasse Find synonyms for: Noun 1. deadlock, dead end, impasse, stalemate, standstill, situation usage: a situation in which no progress can be made or no advancement is possible; "reached an impasse on the negotiations" 2. blind alley, cul de sac, dead-end street, impasse, thoroughfare usage: a street with only one way in or out WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of impasse (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: catalpa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language