Breadcrumb Home > Thesaurus > U Synonyms of untie Find synonyms for: Verb 1. untie, unbrace, unlace, undo usage: undo the ties of; "They untied the prisoner" 2. untie, undo, loosen, change, alter, modify usage: cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of untie (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: bilious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language