Breadcrumb Home > Thesaurus > U Synonyms of unlock Find synonyms for: Verb 1. unlock, open, open up usage: open the lock of; "unlock the door" 2. unlock, disengage, withdraw usage: set free or release 3. unlock, disengage usage: become unlocked; "The door unlocked from the inside" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of unlock (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