/ Thesaurus / A Synonyms of atom bomb Find synonyms for: Noun1. atom bomb, atomic bomb, A-bomb, fission bomb, plutonium bomb, nuclear weapon, atomic weapon, bombusage: a nuclear weapon in which enormous energy is released by nuclear fission (splitting the nuclei of a heavy element like uranium 235 or plutonium 239)Verb1. atom-bomb, nuke, bombard, bombusage: bomb with atomic weaponsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language