/ Thesaurus / S Synonyms of seal bomb Find synonyms for: Noun1. seal bomb, explosive deviceusage: a small explosive device (resembling a firecracker) that is used underwater in order to frighten mammals away from fishing groundsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language