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Classic usage
Reading level: hard
Estimated CEFR level: C1 — Advanced
Estimated from word frequency; not an official CEFR classification.
From Middle English boistres, an alteration of Middle English boistous (“crude, unrefined”), of uncertain origin. Likely from Anglo-Norman boystous, bustous (“rough, in a crude state, disabled, paralysed, unable to walk, lame”), Old French boitous (“limping; having a rough, uneven surface”).
rambunctious, robustious, rumbustious, unruly
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Classic usage
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