Source : Webster's Revised Unabridged Dictionary (1913)

Criticise \Crit"i*cise\ (kr?t"?-s?z), v. t. [imp. & p. p.
   {Criticised} (-s?zd); p. pr. & vb. n. {Criticising}.]
   [Written also, more analogically, but less commonly,
   criticize.] [Cf. G. kritisiren. See {Critic}.]
   1. To examine and judge as a critic; to pass literary or
      artistic judgment upon; as, to criticise an author; to
      criticise a picture.

   2. To express one's views as to the merit or demerit of;
      esp., to animadvert upon; to find fault with; as, to
      criticise conduct. --Blackwood's Mag.

Criticise \Crit"i*cise\, v. i.
   1. To act as a critic; to pass literary or artistic judgment;
      to play the critic; -- formerly used with on or upon.

            Several of these ladies, indeed, criticised upon the
            form of the association.              --Addison.

   2. To discuss the merits or demerits of a thing or person;
      esp., to find fault.

            Cavil you may, but never criticise.   -- Pope.

Source : WordNet®

criticise
     v 1: find fault with; express criticism of; point out real or
          perceived flaws; "The paper criticized the new movie";
          "Don't knock the food--it's free" [syn: {knock}, {criticize},
           {pick apart}] [ant: {praise}]
     2: act as a critic; "Those who criticize others often are not
        perfect, either" [syn: {criticize}]