muck up

to make or do (something) in a clumsy or unskillful way <I swear, she mucks up everything she tries> Synonyms blow, bobble, boggle, bollix (up), boot, bugger (up), bumble, bungle, butcher, dub, flub, fluff, foozle, foul up, fumble, goof (up), louse up, mangle, mess (up), botch, muff, murder, screw upRelated Words blunder, gum (up), muddle, piffle; blemish, blight, damage, flaw, harm, hurt, impair, injure, mar, mutilate, ruin, spoil, vitiate; destroy, wreck; mishandle, mismanageNear Antonyms ameliorate, better, enhance, help, improve, meliorate, rectify, refine, reform, remedy; doctor, fix, patch, recondition, renovate, repair, revamp