Pronunciation: (mal-fē'zuns), [key]
the performance by a public official of an act that is legally unjustified, harmful, or contrary to law; wrongdoing (used esp. of an act in violation of a public trust). Cf. misfeasance (def. 2), nonfeasance.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.