/ Thesaurus / H Synonyms of hydrogen bomb Find synonyms for: Noun1. hydrogen bomb, H-bomb, fusion bomb, thermonuclear bomb, nuclear weapon, atomic weapon, bombusage: a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form heliumVerb1. hydrogen-bomb, bombard, bombusage: attack with a hydrogen bombWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language