Breadcrumb Home > Thesaurus > F Synonyms of flatus Find synonyms for: Noun 1. fart, farting, flatus, wind, breaking wind, reflex, reflex response, reflex action, instinctive reflex, innate reflex, inborn reflex, unconditioned reflex, physiological reaction usage: a reflex that expels intestinal gas through the anus WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of flatus (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: contretemps Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language