The definition of obstreperous is someone that is noisy and hard to control.
Noisy teenage boys who are running wild are an example of people who would be described as obstreperous.
Noisily unruly or defiant.
The restaurant owner ejected the obstreperous customer.
Noisy, boisterous, or unruly, esp. in resisting or opposing.
Origin of obstreperous
- From Latin obstreperus noisy from obstrepere to make a noise against ob- against ob– strepere to make a noise (of imitative origin)
From American Heritage Dictionary of the English Language, 5th Edition