Breadcrumb Home > Thesaurus > D Synonyms of debouch Find synonyms for: Verb 1. debouch, march out, march, process usage: march out (as from a defile) into open ground; "The regiments debouched from the valley" 2. debouch, issue, emerge, come out, come forth, go forth, egress usage: pass out or emerge; especially of rivers; "The tributary debouched into the big river" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of debouch (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: debridement Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language