/ Thesaurus / A Synonyms of antitumor Find synonyms for: Adjective1. anticancer, antineoplastic, antitumor, antitumourusage: used in the treatment of cancer; "anticancer drug"; "an antineoplastic effect"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