verb (v)

• find fault with; express criticism of; point out real or perceived flaws(verb.communication)

  Synonym:
  criticize, knock, pick apart
  Antonym:
  praise
  

  source: wordnet30
• act as a critic(verb.competition)

  Synonym:
  criticize
  

  source: wordnet30
• To examine and judge as a critic; to pass literary or artistic judgment upon; as, to criticise an author; to criticise a picture.(verb)

  source: webster1913
• To act as a critic; to pass literary or artistic judgment; to play the critic; -- formerly used with on or upon.(verb)

  source: webster1913