From Longman Business Dictionary
misdemeanourmis·de·mea·nour /ˌmɪsdɪˈmiːnə-ər/ British EnglishBrE, misdemeanor American EnglishAmE noun [countableC]1a bad or unacceptable action that is not very serious, at least from a legal point of view 2American EnglishAmELAW a crime that is not as serious as a FELONY (=very serious crime such as robbery or murder)He pleaded guilty to lying on a loan application, which is a misdemeanor in this state.