/ Thesaurus / C Synonyms of cleft lip Find synonyms for: Noun1. cleft lip, harelip, cheiloschisis, birth defect, congenital anomaly, congenital defect, congenital disorder, congenital abnormalityusage: a congenital cleft in the middle of the upper lipWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language