Malfeasance
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
The unjust performance of some act which the party had no right, or which he had contracted not, to do.
33 Com. 115.
It differs from misfeasance and nonfeasance (q. v.) See 1 Chit. Prac. 9; 1 Chit. PI.
134.