A crime is conduct that the law treats as a public offense and makes punishable by penalty or sanction. Crimes may consist of acts or, in some circumstances, failures to act when the law imposes a duty.

Crimes are prosecuted by the government and are generally classified by seriousness, most commonly as misdemeanors or Felony offenses.

Crime Explained

Cornell Wex explains that a crime is behavior punishable as a public offense and notes that criminal liability may arise from statute or, in some jurisdictions, from common law. Department of Justice Justice 101 materials likewise present criminal law through the government-led process of charging, prosecution, adjudication, sentencing, and appeal, reinforcing that crime is treated as a matter of public justice rather than a purely private wrong.

The Term Crime in Different Legal Contexts

The term covers a wide range of conduct, from lower-level regulatory offenses to serious violent acts. Some crimes require proof of intent, while others may impose strict liability or have different mental-state requirements depending on the statute.

Crime is distinguished from civil wrongdoing because the state prosecutes it in the public interest and may seek punishment such as fines, probation, imprisonment, or other criminal sanctions.

Common Misconceptions About the Meaning of Crime

A common misconception is that every harmful act is automatically a crime. Conduct becomes a crime only when the law defines it as one and provides a basis for punishment.

Another misconception is that all crimes require malicious intent. Some offenses require a particular mental state, but others do not depend on the same level of intent.