Answer: obstreperous

AnswerCrossword Clue
OBSTREPEROUSUnruly.
OBSTREPEROUSNoisy.
OBSTREPEROUSUnruly
obstreperousresisting control or restraint in a difficult manner; unruly.
obstreperousnoisy, unruly also OBSTROPALOUS, OBSTROPULOUS
obstreperousNoisy and difficult to control