/ Thesaurus / P Synonyms of punch up Find synonyms for: Noun1. punch-up, fistfight, fisticuffs, slugfestusage: a fistfight; "the quarrel ended in a punch-up"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language