Elsie Law's Daily Dose Of The Law

Malfeasance is "evil doing; ill conduct. The commission of some act which is positively unlawful; the doing of an act which is wholly wrongful and unlawful; the doing of an act which person ought not to do at all or the unjust performance of some act which the party had no right or which he had contracted not to do. Comprehensive term including any wrongful conduct that affects, interrupts or interferes with the performance of official duties." -From, "Black's Law Dictionary