/ Thesaurus / B Synonyms of belly up Find synonyms for: Adjective1. bankrupt, belly-up(predicate), insolvent (vs. solvent)usage: financially ruined; "a bankrupt company"; "the company went belly-up"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language