noun (n)

• a false accusation of an offense or a malicious misrepresentation of someone's words or actions(noun.communication)

  Synonym:
  calumniation, calumny, defamation, hatchet job, obloquy
  

  source: wordnet30
• The act of traducing; misrepresentation; ill-founded censure; defamation; calumny.(noun)

  source: webster1913