Dictionary.net

an act punishable by law; usually considered an evil act; "a long record of crimes"

Any violation of law, either divine or human; an omission of a duty commanded, or the commission of an act forbidden by law.

Gross violation of human law, in distinction from a misdemeanor or trespass, or other slight offense. Hence, also, any aggravated offense against morality or the public welfare; any outrage or great wrong.

Any great wickedness or sin; iniquity.

That which occasion crime.

A type of behavior that is has been defined by the state, as deserving of punishment which usually includes imprisonment. Crimes and their punishments are defined by Congress and state legislatures.

A violation of the criminal law, i.e., a breach of the conduct code specifically sanctioned by the state, which through its administrative agencies prosecutes offenders and imposes and administers punishments. The concept includes unacceptable actions whether prosecuted or going unpunished.

The breaking of the law; an offense against morality or the public welfare; wrongdoing.

A violation of law: offence: sin.

n. [Latin] Any violation of law, either divine or human; a gross offence; an outrage or great wrong.

An act contrary to right, an offence, a great fault.