/ Thesaurus / B Synonyms of bb gun Find synonyms for: Noun1. BB gun, air gun, airgun, air rifleusage: an air gun in which BBs are propelled by compressed airWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language