1. (adj) infernal
an inhabitant of Hell
Antonyms: blest, good, blessed, supernal
2. (adj) infernal
characteristic of or resembling Hell
Synonyms: blasted, damned, diabolic, deuced, hellish, satanic, blamed, damn, goddam, goddamned, unholy, darned, blame, fiendish, demonic, diabolical, goddamn, blessed
Antonyms: blessed, supernal, good, blest
3. (adj) demonic, diabolic, diabolical, fiendish, hellish, infernal, satanic, unholy
extremely evil or cruel; expressive of cruelty or befitting hell
Synonyms: blasted, mephistophelian, wicked, infernal, damned, diabolic, deuced, beastly, hellish, satanic, blamed, damn, goddam, goddamned, blessed, unhallowed, unholy, blame, god-awful, demonic, darned, diabolical, goddamn, sinful, fiendish, mephistophelean, devilish
Antonyms: good, blest, supernal, blessed
4. (adj) blasted, blame, blamed, blessed, damn, damned, darned, deuced, goddam, goddamn, goddamned, infernal
expletives used informally as intensifiers
Synonyms: blasted, unsaved, doomed, damned, diabolic, unredeemed, blest, deuced, hellish, satanic, blamed, damn, goddam, fiendish, goddamned, unholy, darned, blame, beatified, demonic, diabolical, goddamn, cursed, infernal, blessed
Antonyms: blessed, supernal, blest, good
5. (adj) infernal
of or pertaining to or characteristic of a very uncontrolled and intense fire
Synonyms: blasted, damned, diabolic, deuced, hellish, satanic, blamed, damn, goddam, goddamned, unholy, darned, blame, fiendish, demonic, diabolical, goddamn, blessed
Antonyms: blessed, supernal, blest, good
6. (adj) infernal
being of the underworld
Synonyms: blasted, damned, diabolic, deuced, hellish, satanic, blamed, damn, goddam, goddamned, unholy, darned, blame, fiendish, demonic, diabolical, goddamn, blessed
Antonyms: good, supernal, blest, blessed
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Synonyms and Antonyms of infernal 
