Obstreperous
Obstreperous , adjective
[Latin obstreperus, from obstrepere to make a noise at; ob (see Ob-) + strepere to make a noise.]
1.
Attended by, or making, a loud and tumultuous noise; clamorous; noisy; vociferous.
The obstreperous city.
Obstreperous approbation.
Beating the air with their obstreperous beaks.
2.
Resistant to control; unruly.