Source : Webster's Revised Unabridged Dictionary (1913)

Ravage \Rav"age\, v. t. [imp. & p. p. {Ravaged}; p. pr. & vb. n.
   {Ravaging}.] [F. ravager. See {Ravage}, n.]
   To lay waste by force; to desolate by violence; to commit
   havoc or devastation upon; to spoil; to plunder; to consume.

         Already C[ae]sar Has ravaged more than half the globe.
                                                  --Addison.

         His lands were daily ravaged, his cattle driven away.
                                                  --Macaulay.

   Syn: To despoil; pillage; plunger; sack; spoil; devastate;
        desolate; destroy; waste; ruin.

Source : WordNet®

ravaging
     adj : ruinously destructive and wasting; "a ravaging illness"
     n : plundering with excessive damage and destruction [syn: {devastation}]