I. ə̇nˈfərn ə l, -ˈfə̄n-, -ˈfəin- adjective
Etymology: Middle English, from Old French, from Late Latin infernalis, from infernus hell (from Latin infernus lower, lying beneath, of the lower regions) + Latin -alis -al; akin to Latin inferus low, situated beneath — more at under
1. : relating or belonging to a nether world of the dead and of earth deities : chthonic — compare hades
2.
a. : relating to or inhabiting hell
infernal fires
infernal spirit
b. : resembling or suitable to hell or the character of its inhabitants : hellish , diabolical , fiendish
infernal scheme
infernal wickedness
3. : damnable , damned
infernal nuisance
infernal gadget
infernal racket
• in·fer·nal·ly - ə lē, - ə li adverb
II. noun
( -s )
1. archaic : an infernal person or thing — usually used in plural
2. infernals plural , obsolete : the infernal regions : hell