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boisterous

[boi-ster-uh s, -struh s] /ˈbɔɪ stər əs, -strəs/
adjective
1.
rough and noisy; noisily jolly or rowdy; clamorous; unrestrained:
the sound of boisterous laughter.
2.
(of waves, weather, wind, etc.) rough and stormy.
3.
Obsolete. rough and massive.
Origin
late Middle English
1425-1475
1425-75; late Middle English boistrous, variant of Middle English boistous crude, strong, fierce, gross; of obscure origin
Related forms
boisterously, adverb
boisterousness, noun
unboisterous, adjective
unboisterously, adverb
unboisterousness, noun
Synonyms
1. uproarious, obstreperous, roistering, loud, vociferous, impetuous. 1, 2. tempestuous, tumultuous, turbulent, violent, wild.
Antonyms
1, 2. calm, serene.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for un-boisterous

boisterous

/ˈbɔɪstərəs; -strəs/
adjective
1.
noisy and lively; unrestrained or unruly
2.
(of the wind, sea, etc) turbulent or stormy
Derived Forms
boisterously, adverb
boisterousness, noun
Word Origin
C13 boistuous, of unknown origin
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
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Word Origin and History for un-boisterous

boisterous

adj.

late 15c., unexplained alteration of Middle English boistous (c.1300) "rough, coarse (as of food), clumsy, violent," of unknown origin, perhaps from Anglo-French bustous "rough (road)," which is perhaps from Old French boisteos "curved, lame; uneven, rough" (Modern French boiteux), itself of obscure origin. Another guess traces it via Celtic to Latin bestia. Used of persons from 1560s. Related: Boisterously; boisterousness.

Online Etymology Dictionary, © 2010 Douglas Harper
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