Misdemeanor

n. small crime, petty crime; misdeed

A misdemeanor, or misdemeanour, in many common law legal systems, is a "lesser" criminal act. Misdemeanors are generally punished less severely than felonies; but theoretically more so than administrative infractions (also known as regulatory offenses).In the United States, the federal government generally considers a crime punishable by a year or less to be a misdemeanor. All other crimes are felonies.In some jurisdictions, those who are convicted of a misdemeanor are known as misdemeanants (as contrasted with those convicted of a felony who are known as felons). Depending on the jurisdiction, examples of misdemeanors may include: petty theft, prostitution, public intoxication, simple assault, disorderly conduct, trespass, vandalism, and other similar crimes. In the United States, misdemeanors are crimes with a maximum punishment of 12 months of incarceration, typically in a local jail (again, as contrasted with felons, who are typically incarcerated in a prison). Those people who are convicted of misdemeanors are often punished with probation, community service or part-time imprisonment, served on the weekends.
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Noun
1. a crime less serious than a felony
(synonym) misdemeanour, infraction, offence, offense, violation, infringement
(hypernym) crime, law-breaking
(hyponym) disorderly conduct, disorderly behavior, disturbance of the peace, breach of the peace

(n.)
Ill behavior; evil conduct; fault.
  

(n.)
A crime less than a felony.
  

(USA) A crime of lesser seriousness than a felony where the punishment might be a fine or prison for less than one year. - (read more on Misdemeanor)