/ Thesaurus / T Synonyms of thioguanine Find synonyms for: Noun1. thioguanine, antineoplastic, antineoplastic drug, cancer drugusage: an antineoplastic drug used to treat acute leukemiasWordNet 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