Obstreperous
WordNet

adjective


(1)   Boisterously and noisily aggressive
"Kept up an obstreperous clamor"
(2)   Noisily and stubbornly defiant
"Obstreperous boys"
WiktionaryText

Etymology


First attested circa 17th century, from obstreperus "clamorous, noisy," from obstrepere, "to make a noise against, oppose noisily," from ob-, "against" + strepere, "to noise."

Adjective



  1. Attended by, or making, a loud and tumultuous noise; boisterous.
    The obstreperous mirth swiftly turned into yells of dismay.
  2. Noisily and stubbornly defiant.
 
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