Source : Webster's Revised Unabridged Dictionary (1913)

Barbarize \Bar"ba*rize\, v. i. [imp. & p. p. {Barbarized}; p.
   pr. & vb. n. {Barbarizing}.]
   1. To become barbarous.

            The Roman empire was barbarizing rapidly from the
            time of Trajan.                       --De Quincey.

   2. To adopt a foreign or barbarous mode of speech.

            The ill habit . . . of wretched barbarizing against
            the Latin and Greek idiom, with their untutored
            Anglicisms.                           --Milton.

Barbarize \Bar"ba*rize\, v. t. [Cf. F. barbariser, LL.
   barbarizare.]
   To make barbarous.

         The hideous changes which have barbarized France.
                                                  --Burke.

Source : WordNet®

barbarize
     v 1: become crude or savage or barbaric in behavior or language
          [syn: {barbarise}]
     2: make crude or savage in behavior or speech; "his years in
        prison have barbarized the young man" [syn: {barbarise}]