misbehavior

[ mis-bi-heyv-yer ]
/ ˌmɪs bɪˈheɪv yər /

noun

improper, inappropriate, or bad behavior.

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Also especially British, mis·be·hav·iour.

Origin of misbehavior

First recorded in 1480–90; mis-1 + behavior
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for misbehavior