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Concise Oxford English Dictionary
bluster
■ verb
talk in a loud, aggressive, or indignant way with little effect.
(of wind or rain) blow or beat fiercely and noisily.
■ noun blustering talk.

blusterer noun
blustery adjective

ME: ult. imitative.
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Concise Oxford Thesaurus
blustery
▶ adjective STORMY, gusty, blowy, windy, squally, wild, tempestuous, turbulent; howling, roaring.

calm.
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Merriam-Webster Collegiate® Dictionary
2bluster
Function: noun
Date: 1583

1 : a violent boisterous blowing
2 : violent commotion
3 : loudly boastful or threatening speech
–blus·ter·ous \-t(ə-)rəs\ adjective
–blus·tery \-t(ə-)rē\ adjective