misconduct

mis- +‎ conduct (noun sense)

• (UK): enPR: mĭs-kŏnʹdŭkt, IPA^(key): /mɪsˈkɒndʌkt/

misconduct (usually uncountable, plural misconducts)

1. behavior that is considered to be unacceptable.

   The student was threatened with a £2000 fine and banned from using the university's computing resources for two weeks due to gross misconduct on the Internet.

mis- +‎ conduct (verb sense)

• enPR: mĭs-kən-dŭktʹ, IPA^(key): /mɪskənˈdʌkt/

misconduct (third-person singular simple present misconducts, present participle misconducting, simple past and past participle misconducted)

1. (transitive) To mismanage. [from 18th c.]
2. (reflexive) To behave inappropriately, to misbehave. [from 19th c.]
   • 1958, Doris Lessing, A Ripple From the Storm, Harper Perennal 1995, p. 224:

     It had been pointed out […] that in the past enemy aliens misconducting themselves had been returned to the internment camp.

3. (intransitive, rare) To act improperly.