/ Thesaurus / I Synonyms of incendiary bomb Find synonyms for: Noun1. incendiary bomb, incendiary, firebomb, bombusage: a bomb that is designed to start fires; is most effective against flammable targets (such as fuel)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language