- The definition of infernal is something related to the underworld or hell, or something that is very annoying.
- When it is 110 degrees out and feels as hot as you imagine hell would feel, this is an example of the infernal heat.
- When you can't stand the constant yelling of the kids down the street, this is an example of when you might yell at them to stop that infernal yelling.
- of the ancient mythological world of the dead
- of hell
- hellish; diabolic; fiendish; inhuman
- Informal hateful; outrageous
Origin of infernalOld French ; from Late Latin infernalis ; from Classical Latin infernus, underground, lower, infernal ; from inferus: see inferior
- a. Of or relating to a lower world of the dead.b. Of or relating to hell: infernal punishments; infernal powers.
- Fiendish; diabolical: infernal instruments of war.
- Abominable; awful: the infernal racket of the jackhammers.
Origin of infernalMiddle English, from Old French, from Late Latin īnfernālis, from īnfernus, hell, from Latin, lower, underground; see &nlowring;dher- in Indo-European roots.
(comparative more infernal, superlative most infernal)
- (obsolete) An inhabitant of the infernal regions.
From Middle French infernal, from Latin infernālis, from infernus (“below, subterranean”).