misdemeanour
noun [ C ]
UK ( US misdemeanor) uk/ˌmɪsdɪˈmiːnər/ us LAW US
in the US, a crime that is less serious and has a less severe punishment than a felony (= a serious crime such as killing someone, stealing large amounts of money, etc.):
Violations of the fishing regulations may be considered a felony or misdemeanor, depending on the severity of the offense.
Compare
felony
HR, WORKPLACE
an action that is slightly bad or breaks a rule, but is not a crime:
Under the contract, an employee can argue that he should not be fired for a minor misdemeanour.