Source : Webster's Revised Unabridged Dictionary (1913)

Blaspheme \Blas*pheme"\ (bl[a^]s*f[=e]m"), v. t. [imp. & p. p.
   {Blasphemed} (-f[=e]md"); p. pr. & vb. n. {Blaspheming}.]
   [OE. blasfem[=e]n, L. blasphemare, fr. Gr. blasfhmei^n: cf.
   F. blasph['e]mer. See {Blame}, v.]
   1. To speak of, or address, with impious irreverence; to
      revile impiously (anything sacred); as, to blaspheme the
      Holy Spirit.

            So Dagon shall be magnified, and God, Besides whom
            is no god, compared with idols, Disglorified,
            blasphemed, and had in scorn.         --Milton.

            How long, O Lord, holy and true, dost thou not judge
            and avenge thyself on all those who thus continually
            blaspheme thy great and all-glorious name? --Dr. W.
                                                  Beveridge.

   2. Figuratively, of persons and things not religiously
      sacred, but held in high honor: To calumniate; to revile;
      to abuse.

            You do blaspheme the good in mocking me. --Shak.

            Those who from our labors heap their board,
            Blaspheme their feeder and forget their lord.
                                                  --Pope.

Blaspheme \Blas*pheme"\, v. i.
   To utter blasphemy.

         He that shall blaspheme against the Holy Ghost hath
         never forgiveness.                       --Mark iii.
                                                  29.

Source : WordNet®

blaspheme
     v 1: utter obscenities or profanities; "The drunken men were
          cursing loudly in the street" [syn: {curse}, {cuss}, {swear},
           {imprecate}]
     2: speak of in an irrevent or impious manner; "blaspheme God"