Breadcrumb Home > Thesaurus > U Synonyms of upend Find synonyms for: Verb 1. upend, overturn, turn over, tip over, tump over usage: become turned or set on end; "the airplanes upended" 2. upend, put, set, place, pose, position, lay usage: set, turn, or stand on end; "upend the box and empty the contents" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of upend (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: antebellum Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language