misbehavior

[ mis-bi-heyv-yer ]
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noun
  1. improper, inappropriate, or bad behavior.

Origin of misbehavior

1
First recorded in 1480–90; mis-1 + behavior
  • Also especially British, mis·be·hav·iour .

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use misbehavior in a sentence