Word parts mis- + conduct Pronunciation (UK) enPR: mĭs-kŏnʹdŭkt, IPA (key): /mɪsˈkɒndʌkt/ Audio (UK)(file) Noun Singular misconduct Plural none A misconduct is a behavior that is considered to be unacceptable. He will be charged in court for sexual misconduct.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads