misbehavior
nounUK /ˌmɪsbɪˈheɪvjə(ɹ)/ · CA, US /ˌmɪsbɪˈheɪvjɚ/
Etymology From mis- + behavior.
1
US Action or conduct that is inappropriate, improper, incorrect, or unexpected.
- The teacher did not tolerate misbehavior in his classroom.
- Synonyms
- misconduct, errancy, carrying-on