Breadcrumb Home > Thesaurus > C Synonyms of combustible Find synonyms for: Noun 1. combustible, combustible material, fuel usage: a substance that can be burned to provide heat or power Adjective 1. combustible (vs. noncombustible), burnable, ignitable, ignitible, comburent, comburant, combustive, flammable, inflammable, ignescent, incendiary usage: capable of igniting and burning WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of combustible (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: agitprop Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language