Breadcrumb Home > Thesaurus > F Synonyms of flunk Find synonyms for: Noun 1. failing, flunk, failure usage: failure to reach a minimum required performance; "his failing the course led to his disqualification"; "he got two flunks on his report" Verb 1. fail, flunk, bomb, flush it usage: fail to get a passing grade; "She studied hard but failed nevertheless"; "Did I fail the test?" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of flunk (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: fatuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language