Breadcrumb Home > Thesaurus > U Synonyms of unidirectional Find synonyms for: Adjective 1. unidirectional (vs. bidirectional), one-way, simplex, unifacial usage: operating or moving or allowing movement in one direction only; "a unidirectional flow"; "a unidirectional antenna"; "a unidirectional approach to a problem" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of unidirectional (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: loquacious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language