What does "misbehavior" mean?

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

What is a synonym for "misbehavior"?

Common synonyms include: monkey business, badness, carrying-on, courtesy, discourtesy, disorder.

Pronounced //ˌmɪsbɪˈheɪvjə(ɹ)//.

//ˌmɪsbɪˈheɪvjə(ɹ)// noun

noun ·Uncommon ·Advanced level

Noun

1
Action or conduct that is inappropriate, improper, incorrect, or unexpected. US, countable, uncountable
"The teacher did not tolerate misbehavior in his classroom."
2
improper or wicked or immoral behavior wordnet

"What account can you give of your misbehavior?"

From mis- + behavior.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.