Misconduct (?), n.
1. Wrong conduct; bad behavior; mismanagement. Addison.
[1913 Webster]
2. Unlawful or unethical conduct by a person holding a public office or having a position of responsibility in the administration of justice; malfeasance; as, “discussing the case out of court during a trial is misconduct by a juror”; especially, misuse of office by an elected or appointed government official, also called misconduct in office.
[PJC]
Syn. -- Misbehavior; misdemeanor; mismanagement; misdeed; delinquency; offense.
[1913 Webster]