noun (n)

• an act that disregards an agreement or a right(noun.act)

  Synonym:
  violation
  

  source: wordnet30
• a crime less serious than a felony(noun.act)

  Synonym:
  infraction, misdemeanor, misdemeanour, violation
  

  source: wordnet30
• The act of infringing; breach; violation; nonfulfillment; as, the infringement of a treaty, compact, law, or constitution.(noun)

  source: webster1913