Infraction means an infringement, breach or violation.
Infraction is a noun.
Synonyms: violation, encroachment, infringement, breach, offense, transgression.
Antonyms: adherence to, observance, compliance with, obedience.
Note: To fracture something is to break it. An infraction is a broken law or pact.
Durga was expelled from school for a minor infraction of the rules; she was caught passing a slip in the exam to her boyfriend.
I have overlooked several infractions in the past, but I cannot ignore an offense of this type.