Source : Webster's Revised Unabridged Dictionary (1913)

Zealotry \Zeal"ot*ry\, n.
   The character and behavior of a zealot; excess of zeal;
   fanatical devotion to a cause.

         Enthusiasm, visionariness, seems the tendency of the
         German; zeal, zealotry, of the English; fanaticism, of
         the French.                              --Coleridge.

Source : WordNet®

zealotry
     n : excessive intolerance of opposing views [syn: {fanaticism}]