INFERNAL
blasted, blame, blamed, blessed, damn, damned, darned, deuced, goddam, goddamn, goddamned, infernal
(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”
demonic, diabolic, diabolical, fiendish, hellish, infernal, satanic, unholy
(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”
infernal
(adjective) being of the underworld; “infernal regions”
infernal
(adjective) characteristic of or resembling Hell; “infernal noise”; “infernal punishment”
infernal
(adjective) of or pertaining to or characteristic of a very uncontrolled and intense fire; “infernal heat”
infernal
(noun) an inhabitant of Hell; “his roar made the infernals quake”
Source: WordNet® 3.1
Etymology
Adjective
infernal (comparative more infernal, superlative most infernal)
Of or relating to hell, or the world of the dead; hellish.
(by extension) Of or relating to a fire or inferno.
Stygian, gloomy.
Diabolical or fiendish.
(as an expletive, not vulgar) Very annoying; damned.
Antonyms
• (of or relating to hell): heavenly
• (of or relating to hell, underworld or fire): celestial
Noun
infernal (plural infernals)
(obsolete) An inhabitant of the infernal regions.
Source: Wiktionary
In*fer"nal, a. Etym: [F. infernal, L. infernalis, fr. infernus that
which lies beneath, the lower. See Inferior.]
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.
The Elysian fields, the infernal monarchy. Garth.
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.
The instruments or abettors in such infernal dealings. Addison.
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.
In*fer"nal, n.
Definition: An inhabitant of the infernal regions; also, the place itself.
[Obs.] Drayton.
Source: Webster’s Unabridged Dictionary 1913 Edition