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roister

[roi-ster] /ˈrɔɪ stər/
verb (used without object)
1.
to act in a swaggering, boisterous, or uproarious manner.
2.
to revel noisily or without restraint.
Origin
1545-1555
1545-55; v. use of roister (noun) < Middle French ru(i)stre ruffian, boor, variant of ru(i)ste rustic
Related forms
roisterer, noun
roisterous, adjective
roisterously, adverb
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for roister

roister

/ˈrɔɪstə/
verb (intransitive)
1.
to engage in noisy merrymaking; revel
2.
to brag, bluster, or swagger
Derived Forms
roisterer, noun
roisterous, adjective
roisterously, adverb
Word Origin
C16: from Old French rustre lout, from ruste uncouth, from Latin rusticus rural; see rustic
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 roister
v.

"bluster, swagger, be bold, noisy, vaunting, or turbulent," 1580s, from an obsolete noun roister "noisy bully" (1550s, displaced by 19c. by roisterer), from Middle French ruistre "ruffian," from Old French ruiste "boorish, gross, uncouth," from Latin rusticus (see rustic (adj.)). Related: Roistered; roistering. Ralph Royster-Doyster is the title and lead character of what is sometimes called the first English comedy (Udall, 1555).

Online Etymology Dictionary, © 2010 Douglas Harper
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7
7
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