/ Thesaurus / B Synonyms of bust up Find synonyms for: Noun1. bust-up, quarrel, wrangle, row, words, run-in, dustupusage: a serious quarrel (especially one that ends a friendship)Verb1. bust up, wreck, wrack, destroy, ruinusage: smash or break forcefully; "The kid busted up the car"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: respite Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language