Breadcrumb Home > Thesaurus > O Synonyms of ostracize Find synonyms for: Verb 1. banish, ban, ostracize, ostracise, shun, cast out, blackball, expel, throw out, kick out usage: expel from a community or group 2. ostracize, ostracise, exclude, keep out, shut out, shut usage: avoid speaking to or dealing with; "Ever since I spoke up, my colleagues ostracize me" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ostracize (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: neologism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language