obstreperous — ONAD

obstreperous /əbˈstrepərəs, əbˈstrɛpərəs

▸ adjective noisy and difficult to control:

the boy is cocky and obstreperous.

– DERIVATIVES
obstreperously /əbˈstrep(ə)rəslē, əbˈstrɛp(ə)rəsli

/ adverb,obstreperousness /əbˈstrep(ə)rəsnəs, əbˈstrɛp(ə)rəsnəs

/ noun

– ORIGIN late 16th century (in the sense ‘clamorous, vociferous’): from Latin obstreperus (from obstrepere, from ob- ‘against’ + strepere ‘make a noise’) + -ous.