'Infernal' definitions:

Definition of 'infernal'

From: WordNet
adjective
Characteristic of or resembling Hell; "infernal noise"; "infernal punishment"
adjective
Extremely evil or cruel; expressive of cruelty or befitting hell; "something demonic in him--something that could be cruel"; "fires lit up a diabolic scene"; "diabolical sorcerers under the influence of devils"; "a fiendish despot"; "hellish torture"; "infernal instruments of war"; "satanic cruelty"; "unholy grimaces" [syn: demonic, diabolic, diabolical, fiendish, hellish, infernal, satanic, unholy]
adjective
Expletives used informally as intensifiers; "he's a blasted idiot"; "it's a blamed shame"; "a blame cold winter"; "not a blessed dime"; "I'll be damned (or blessed or darned or goddamned) if I'll do any such thing"; "he's a damn (or goddam or goddamned) fool"; "a deuced idiot"; "an infernal nuisance" [syn: blasted, blame, blamed, blessed, damn, damned, darned, deuced, goddam, goddamn, goddamned, infernal]
adjective
Of or pertaining to or characteristic of a very uncontrolled and intense fire; "infernal heat"
adjective
Being of the underworld; "infernal regions" [ant: supernal]
noun
An inhabitant of Hell; "his roar made the infernals quake"

Definition of 'Infernal'

From: GCIDE
  • Infernal \In*fer"nal\, a. [F. infernal, L. infernalis, fr. infernus that which lies beneath, the lower. See Inferior.] [1913 Webster]
  • 1. Of or pertaining to or suitable for the lower regions, inhabited, according to the ancients, by the dead; pertaining to Pluto's realm of the dead, the Tartarus of the ancients. [1913 Webster]
  • The Elysian fields, the infernal monarchy. --Garth. [1913 Webster]
  • 2. Of or pertaining to, resembling, or inhabiting, hell; suitable for hell, or to the character of the inhabitants of hell; hellish; diabolical; as, infernal spirits, or conduct. [1913 Webster]
  • The instruments or abettors in such infernal dealings. --Addison. [1913 Webster]
  • Infernal machine, a machine or apparatus maliciously designed to explode, and destroy life or property.
  • Infernal stone (lapis infernalis), lunar caustic; formerly so called. The name was also applied to caustic potash.
  • Syn: Tartarean; Stygian; hellish; devilish; diabolical; satanic; fiendish; malicious. [1913 Webster]

Definition of 'Infernal'

From: GCIDE
  • Infernal \In*fer"nal\, n. An inhabitant of the infernal regions; also, the place itself. [Obs.] --Drayton. [1913 Webster]