misconduct

UK: /ˌmɪsˈkɒndʌkt/

US: /n. mɪsˈkɑndʌkt; v. ˌmɪskənˈdʌkt/

US: (n. mis kon′dukt; v. mis′kən dukt′)

WordReference Random House Learner's Dictionary of American English © 2025

mis•con•duct /n. mɪsˈkɑndʌkt; v. ˌmɪskənˈdʌkt/   n. 

[uncountable]
1. improper behavior, esp. by an official in office, or in the administration of justice:
   official misconduct as mayor.

v. [~ + object]

2. to misbehave (oneself ).

WordReference Random House Unabridged Dictionary of American English © 2025

mis•con•duct  (n. mis kon′dukt;v. mis′kən dukt′), n. 

1. improper conduct;
   wrong behavior.
2. 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.

v.t. 

3. to mismanage.
4. to misbehave (oneself ).

• mis-¹ + conduct 1700–10

Synonyms

• 1. . wrongdoing, misbehavior, misdeed, misstep.

Collins Concise English Dictionary © HarperCollins Publishers::

misconduct noun / mɪsˈkɒndʌkt/

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

verb / ˌmɪskənˈdʌkt/(transitive)

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