noun (n)

• an expression of strong disapproval; pronouncing as wrong or morally culpable(noun.communication)

  Synonym:
  condemnation
  Antonym:
  approbation
  

  source: wordnet30
• The act of disapproving; mental condemnation of what is judged wrong, unsuitable, or inexpedient; feeling of censure.(noun)

  source: webster1913