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obstreperous

[uh b-strep-er-uh s]
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adjective
  1. resisting control or restraint in a difficult manner; unruly.
  2. noisy, clamorous, or boisterous: obstreperous children.

Origin of obstreperous

1590–1600; < Latin obstreperus clamorous, akin to obstrepere to make a noise at (ob- ob- + strepere to rattle); see -ous
Related formsob·strep·er·ous·ly, adverbob·strep·er·ous·ness, ob·strep·e·ros·i·ty [uh b-strep-uh-ros-i-tee] /əbˌstrɛp əˈrɒs ɪ ti/, noun

Synonyms

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1. uncontrolled, refractory.

Antonyms

1. obedient. 2. calm.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for obstreperous

obstreperous

adjective
  1. noisy or rough, esp in resisting restraint or control
Derived Formsobstreperously, adverbobstreperousness, noun

Word Origin

C16: from Latin, from obstrepere, from ob- against + strepere to roar
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for obstreperous

adj.

c.1600, from Latin obstreperus "clamorous," from obstrepere "drown with noise, make a noise against, oppose noisily," from ob "against" (see ob-) + strepere "make a noise," from PIE *strep-, said to be imitative (cf. Latin stertare "to snore," Old Norse þrapt "chattering," Old English þræft "quarrel"). Related: Obstreperously; obstreperousness.

Online Etymology Dictionary, © 2010 Douglas Harper

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