[ boi-ster-uhs, -struhs ]
/ ˈbɔɪ stər əs, -strəs /


rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
(of waves, weather, wind, etc.) rough and stormy.
Obsolete. rough and massive.

Words nearby boisterous

Origin of boisterous

1425–75; late Middle English boistrous, variant of Middle English boistous crude, strong, fierce, gross; of obscure origin

OTHER WORDS FROM boisterous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for boisterously

British Dictionary definitions for boisterously

/ (ˈbɔɪstərəs, -strəs) /


noisy and lively; unrestrained or unruly
(of the wind, sea, etc) turbulent or stormy

Derived forms of boisterous

boisterously, adverbboisterousness, noun

Word Origin for boisterous

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