Breadcrumb Home > Thesaurus > U Synonyms of unlash Find synonyms for: Verb 1. unlash, untie, unbrace, unlace usage: untie the lashing of; "unlash the horse" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of unlash (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: anomie Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language