Ok I finally had to look it up. I kept hopeing someone would define it.
ob�strep�er�ous   /əbˈstrɛpərəs/ Show Spelled
[uhb-strep-er-uhs] Show IPA
�adjective
1. resisting control or restraint in a difficult manner; unruly.
2. noisy, clamorous, or boisterous: obstreperous children.
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Origin:
1590�1600; < L obstreperus clamorous, akin to obstrepere to make a noise at ( ob- ob- + strepere to rattle); see -ous
�Related forms
ob�strep�er�ous�ly, adverb
ob�strep�er�ous�ness, ob�strep�e�ros�i�ty  /əbˌstrɛpəˈrɒsɪti/ Show Spelled
[uhb-strep-uh-ros-i-tee] Show IPA
, noun
�Synonyms
1. uncontrolled, refractory.
�Antonyms
1. obedient. 2. calm.
