/ Thesaurus / B Synonyms of bumper guard Find synonyms for: Noun1. bumper guard, mechanical deviceusage: vertical bars attached to a bumper to prevent locking bumpers with another vehicleWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language