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Improper and unlawful execution of an act that in itself is lawful and proper.

[Anglo-Norman mesfesaunce, from mesfere, to do wrong : mes-, wrongly (from Old French; see mis-1) + fere, to do (from Latin facere; see dhē- in Indo-European roots).]


(Law) law the improper performance of an act that is lawful in itself. Compare malfeasance, nonfeasance
[C16: from Old French mesfaisance, from mesfaire to perform misdeeds]
misˈfeasor n


(mɪsˈfi zəns)

the wrongful and injurious exercise of lawful authority.
Compare malfeasance.
[1590–1600; < Anglo-French mesfesance. See mis-1, feasance]
mis•fea′sor, n.


a form of wrongdoing, especially the doing of something lawful in an unlawful way so that the rights of others are infringed. Cf. malfeasance. — misfeasor, n.
See also: Crime
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.misfeasance - doing a proper act in a wrongful or injurious mannermisfeasance - doing a proper act in a wrongful or injurious manner
actus reus, wrongful conduct, misconduct, wrongdoing - activity that transgresses moral or civil law; "he denied any wrongdoing"