/ Thesaurus / Y Synonyms of y chromosome Find synonyms for: Noun1. Y chromosome, sex chromosomeusage: the sex chromosome that is carried by men; "human males normally have one X chromosome and one Y chromosome"WordNet 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