act up Synonyms

carry on give someone trouble be naughty be misbehaved be bad-mannered be bad behave badly stop working develop a fault cease to work cease to function be faulty be insubordinate misconduct oneself cause someone trouble be silly be indecorous make trouble be mischievous act badly get up to no good act the clown act foolishly be on the blink be defective make a fuss clown around go wrong cut-up fool around break down misbehave fail crash clown break mess about malfunction go kaput get up to mischief be out of order forget oneself fool about clown about act the goat act the fool play up fall over attitudinize