noun (n)

• the quality of not being in accord with standards of right or good conduct(noun.attribute)

  Example:
  The immorality of basing the defense of the West on the threat of mutual assured destruction.
  

  Antonym:
  morality
  

  source: wordnet30
• morally objectionable behavior(noun.act)

  Synonym:
  evil, iniquity, wickedness
  

  source: wordnet30
• The state or quality of being immoral; vice.(noun)

  source: webster1913