/ Thesaurus / S Synonyms of sex characteristic Find synonyms for: Noun1. sex characteristic, sexual characteristic, sex character, feature, characteristicusage: those characteristics (both anatomical and psychological) that are strongly associated with one sex relative to the otherWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language