Idiom: Clean Up One's ActCheck definitions of...cleanuponesactMeaningsHow to pronounce "clean up one's act":AU Your browser does not support the audio element. To reform; to improve one's habits.A-Z Proximitiesclean breakclean handsclean houseclean someone's clockclean up clean up one's act clean-timberedclear blue waterclear cutclear one's linesclick into gearSimilar Idiomsclean up one's actact one's age, not one's shoe sizeact one's ageget one's act togetherhave one's act togetherkeep one's nose cleanact of Congressact outact upbalancing actin the actjuggling actread someone the riot actclean breakclean handsclean houseclean someone's clockclean-timberedclean upcome cleanSimilar Phrasesclean bill of healthclean bombclean houseclean outclean roomclean slateclean updry cleanlaminar flow clean roommake a clean breast ofmake cleansteam cleanact of terrorismterrorist actact asact involuntarilyact of godact onact outact reflexively