WILDFIRE
wildfire
(noun) a raging and rapidly spreading conflagration
Source: WordNet® 3.1
Etymology
Noun
wildfire (countable and uncountable, plural wildfires)
A rapidly spreading fire, especially one occurring in a wildland area.
(historical) Greek fire, Byzantine fire.
A spreading disease of the skin, particularly erysipelas.
(figuratively) Something that acts quickly and uncontrollably.
Synonyms
• forest fire
Source: Wiktionary
Wild"fire, n.
1. A composition of inflammable materials, which, kindled, is very
hard to quench; Greek fire.
Brimstone, pitch, wildfire . . . burn cruelly, and hard to quench.
Bacon.
2. (Med.)
(a) An old name for erysipelas.
(b) A disease of sheep, attended with inflammation of the skin.
3. A sort of lightning unaccompanied by thunder. [R.]
Source: Webster’s Unabridged Dictionary 1913 Edition