[ mis-fee-zuh ns ]
/ mɪsˈfi zəns /

noun Law.

a wrong, actual or alleged, arising from or consisting of affirmative action.
the wrongful performance of a normally lawful act; the wrongful and injurious exercise of lawful authority.

Origin of misfeasance

From the Anglo-French word mesfesance, dating back to 1590–1600. See mis-1, feasance
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for misfeasance


/ (mɪsˈfiːzəns) /


law the improper performance of an act that is lawful in itselfCompare malfeasance, nonfeasance

Derived Forms

misfeasor, noun

Word Origin for misfeasance

C16: from Old French mesfaisance, from mesfaire to perform misdeeds
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012