Added 9 October 2026
infernal
/ɪnˈfɜː(ɹ)nəl/ noun
In Latin: infernus Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about infernal at Wordnik → Where our words come from →
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An inhabitant of Hell.
his roar made the infernals quake
adjective
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Characteristic of or resembling Hell.
infernal noise
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Extremely evil or cruel; expressive of cruelty or befitting hell.
something demonic in him--something that could be cruel
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Expletives used informally as intensifiers.
he's a blasted idiot
Origin
From Middle French infernal, from Medieval Latin infernalis, from Latin īnfernus, from īnferum (“netherworld, underworld, hell”), equivalent to inferno + -al.
From Wiktionary, via Kaikki.org (CC BY-SA)