Breadcrumb Home > Thesaurus > S Synonyms of secede Find synonyms for: Verb 1. secede, splinter, break away, separate, part, split up, split, break, break up usage: withdraw from an organization or communion; "After the break up of the Soviet Union, many republics broke away" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of secede (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: voxpopuli Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language