misbehavior

noun

Etymology: Etymology tree Proto-Indo-European *mey-? Proto-Indo-European *meyth₂-der. Proto-Germanic *missaz Proto-Germanic *missa- Proto-West Germanic *missa- Old English mis- Middle English mys- English mis- Proto-Indo-European *h₁ep-der. Proto-Indo-European *h₁épsder. Proto-Indo-European *h₁epider. Proto-Indo-European *h₁pi Proto-Germanic *bider. Proto-Germanic *bi- Proto-West Germanic *bi- Proto-Indo-European *kap-der. Proto-Germanic *habjaną Proto-West Germanic *habbjan Proto-West Germanic *bihabbjan Old English behabban Middle English behaven Proto-Indo-European *gʰeh₁bʰ- Proto-Indo-European *-éh₁ti Proto-Indo-European *-yeti Proto-Indo-European *-éh₁yeti Proto-Indo-European *gʰh₁bʰéh₁yeti Proto-Italic *haβēō Latin habeō Old French avoirbor. Middle English havour Middle English behavoure English behavior English misbehavior From mis- + behavior.

1. Action or conduct that is inappropriate, improper, incorrect, or unexpected.

   “The teacher did not tolerate misbehavior in his classroom.”