obstreperous
adjective /əbˈstrepərəs/
/əbˈstrepərəs/
(formal or humorous)- noisy and difficult to controlWord Originlate 16th cent. (in the sense ‘clamorous, loud’): from Latin obstreperus (from obstrepere, from ob- ‘against’ + strepere ‘make a noise’) + -ous.