Source : Webster's Revised Unabridged Dictionary (1913)

Excommunicable \Ex`com*mu"ni*ca*ble\, a. [See {Excommunicate}.]
   Liable or deserving to be excommunicated; making
   excommunication possible or proper. ``Persons excommunicable
   .'' --Bp. Hall.

         What offenses are excommunicable ?       --Kenle.