Breadcrumb Home > Thesaurus > F Synonyms of flammable Find synonyms for: Adjective 1. flammable, inflammable, combustible (vs. noncombustible) usage: easily ignited WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of flammable (Dictionary) ✖ Related Content Daily Word Quiz: derogate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language