/ Thesaurus / C Synonyms of combustive Find synonyms for: Adjective1. comburent, comburant, combustive, combustible (vs. noncombustible)usage: supporting combustionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language