Breadcrumb Home > Thesaurus > O Synonyms of outgrow Find synonyms for: Verb 1. outgrow, develop, grow usage: grow too large or too mature for; "I have outgrown these clothes"; "She outgrew her childish habits" 2. outgrow, surpass, outstrip, outmatch, outgo, exceed, outdo, surmount, outperform usage: grow faster than WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of outgrow (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: insitu Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language