noun, plural in·fer·nos.
- hell; the infernal regions.
- a place or region that resembles hell: The ironworks was an inferno of molten steel and half-naked bodies.
- (initial capital letter, italics) the first part of Dante’s Divine Comedy, depicting hell and the suffering of the damned.Compare paradise(def 7), purgatory(def 2).
noun plural -nos
- the inferno (sometimes capital) hell; the infernal region
- any place or state resembling hell, esp a conflagration
1834, from Italian inferno, from Latin infernus (see infernal).
The first section of The Divine Comedy, by Dante. Inferno is the Italian word for “hell.”