'Wildfire' definitions:

Definition of 'wildfire'

From: WordNet
noun
A raging and rapidly spreading conflagration

Definition of 'Wildfire'

From: GCIDE
  • Wildfire \Wild"fire\, n.
  • 1. A composition of inflammable materials, which, kindled, is very hard to quench; Greek fire. [1913 Webster]
  • Brimstone, pitch, wildfire . . . burn cruelly, and hard to quench. --Bacon. [1913 Webster]
  • 2. (Med.) (a) An old name for erysipelas. (b) A disease of sheep, attended with inflammation of the skin. [1913 Webster]
  • 3. A sort of lightning unaccompanied by thunder. [R.] [1913 Webster]