Malfeasance
Pronunciation : Mal*fea"sance
Part of Speech : n.
Etymology : [F. malfaisance, fr. malfaisant injurious, doing ill; mal ill, evil + faisant doing, p. pr. of faire to do. See Malice, Feasible, and cf. Maleficence.] (Law)
Definition : Defn: The doing of an act which a person ought not to do; evil conduct; an illegal deed. [Written also malefeasance.]
Source : Webster's Unabridged Dictionary, 1913