Breadcrumb Home > Thesaurus > T Synonyms of traitor Find synonyms for: Noun 1. traitor, treasonist, criminal, felon, crook, outlaw, malefactor usage: someone who betrays his country by committing treason 2. double-crosser, double-dealer, two-timer, betrayer, traitor, deceiver, cheat, cheater, trickster, beguiler, slicker usage: a person who says one thing and does another WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of traitor (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: farrago Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language