boisterous

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

adjective

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.

Origin of boisterous

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

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British Dictionary definitions for boisterous

boisterous
/ (ˈbɔɪstərəs, -strəs) /

adjective

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

Derived forms of boisterous

boisterously, adverb boisterousness, noun

Word Origin for boisterous

C13 boistuous, of unknown origin