Source : Webster's Revised Unabridged Dictionary (1913)

Desecration \Des`e*cra"tion\, n.
   The act of desecrating; profanation; condition of anything
   desecrated.

Source : WordNet®

desecration
     n : blasphemous behavior; the act of depriving something of its
         sacred character; "desecration of the Holy Sabbath" [syn:
          {profanation}, {blasphemy}, {sacrilege}]