noun

misbehavior

misbehaviour, misconduct

The teacher punished the student for his misbehavior.

The teacher punished the student for his misbehaviour.

Such misbehavior will not be tolerated.

Such misbehaviour will not be tolerated.

misbehaviour ((by sb.)) improper conduct by (sb.) We saw misbehaviour by the fans at the game.

((a pattern of)) misbehaviour a series of improper acts The school noted a pattern of misbehaviour.

Synonyms: misconduct, wrongdoing; Antonyms: good behavior, obedience

From the prefix 'mis-' (bad, wrong) + 'behavior' (conduct). Literally 'bad behavior'.

The prefix 'mis-' often means 'wrong' or 'bad', like in 'mistake' or 'misunderstand'. So, it's 'wrong behavior'.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.