Emily Dickinson Lexicon

BOIS'TER-OUS, a. [Dan. pust, a puff, a blast; puster, and Sw. pusta, to blow; D. byster; Dan. bister, furious, raging; W. bwyst, wild, savage, whence beast.]

1. Loud; roaring; violent; stormy; as, a boisterous wind.
2. Turbulent; furious; tumultuous; noisy; as, a boisterous man.
3. Large; unwieldy; huge; clumsily violent; as, a boisterous club. [Obs.] – Spenser.
4. Violent; as, a boisterous heat. – Woodward.