Definition of 'infernal'

Noun

1. an inhabitant of hell; "his roar made the infernals quake"

Adjective

1. characteristic of or resembling hell; "infernal noise"; "infernal punishment"
2. 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"
      Synonyms: demonic diabolic diabolical fiendish hellish satanic unholy
3. 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"
      Synonyms: blasted blame blamed blessed darned deuced
4. of or pertaining to or characteristic of a very uncontrolled and intense fire; "infernal heat"
5. being of a lower world of the dead; "infernal regions"
      Antonyms: supernal

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