[noun mis-kon-duhkt; verb mis-kuhn-duhkt]


improper conduct; wrong behavior.
unlawful conduct by an official in regard to his or her office, or by a person in the administration of justice, such as a lawyer, witness, or juror; malfeasance.

verb (used with object)

to mismanage.
to misbehave (oneself).

Origin of misconduct

First recorded in 1700–10; mis-1 + conduct

Synonyms for misconduct

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for misconduct

Contemporary Examples of misconduct

Historical Examples of misconduct

  • The reason of this appears not to be owing to the country, but to their proceedings and misconduct in it.

    The History of Louisiana

    Le Page Du Pratz

  • We forgave all his misconduct, and my husband talked to him and implored him to amend.

    The First Violin

    Jessie Fothergill

  • All these women who misconduct themselves are pitiless and severe.

    The Memoirs of Madame de Montespan, Complete

    Madame La Marquise De Montespan

  • He considered his mother's misconduct a sufficient excuse for his own hard-heartedness.

  • Do not judge too severely in respect to the ordinary cases of misconduct in school.

    The Teacher

    Jacob Abbott

British Dictionary definitions for misconduct


noun (mɪsˈkɒndʌkt)

behaviour, such as adultery or professional negligence, that is regarded as immoral or unethical

verb (ˌmɪskənˈdʌkt) (tr)

to conduct (oneself) in such a way
to manage (something) badly
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

Word Origin and History for misconduct

1710, "bad management, neglect;" see mis- (1) + conduct (n.). Meaning "wrong conduct" is attested from 1729.

Online Etymology Dictionary, © 2010 Douglas Harper