/ Thesaurus / R Synonyms of refutable Find synonyms for: Adjective1. questionable, refutable, confutable, confutative, deniable (vs. undeniable)usage: able to be refutedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language