noun

offense

An act that breaks a law, rule, or standard of behavior.

The school treats cheating on an exam as a serious offense.

Etymology

The Latin ancestor concerns a transgression or collision. The legal and behavioral sense identifies conduct that comes into conflict with an accepted rule.

More examples

  • He pays a fine for his first parking offense.
  • Repeated offenses can lead to suspension.
  • In their household, reading someone's diary is a serious offense.

Forms

offense · offenses

offend verb — To break a law or rule.

offender noun — A person who breaks laws or rules.

Similar words

crime
Specifically breaks a law, rather than merely a social rule.
violation
Emphasizes breaking a particular rule, law, or agreement.
infraction
Usually refers to a minor breach of rules or laws.