/ Thesaurus / M Synonyms of mix up Find synonyms for: Noun1. confusion, mix-up, mistake, error, faultusage: a mistake that results from taking one thing to be another; "he changed his name in order to avoid confusion with the notorious outlaw"Verb1. jumble, confuse, mix up, assemble, piece, put together, set up, tack, tack togetherusage: assemble without order or sense; "She jumbles the words when she is supposed to write a sentence"2. stump, mix up, perplex, vex, stick, get, puzzle, mystify, baffle, beat, pose, bewilder, flummox, stupefy, nonplus, gravel, amaze, dumbfoundusage: cause to be perplexed or confounded; "This problem stumped her"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: meddlesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language