infernal
[adjective]
Synonyms: devilish, accursed, damnable, damned, diabolical, fiendish, hellish, satanic

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Antonyms: supernal, celestial, heavenly
Contrasted words: celestial, elysian, Hesperidean, paradisaic, paradisal, paradisiacal
Related Words: demoniac, devilish, diabolic, fiendish, sulphurous

[TahlilGaran] English Synonym Dictionary ▲

in‧fer‧nal /ɪnˈfɜːnl $ -ɜːr-/ adjective
[Date: 1300-1400; Language: Old French; Origin: Late Latin infernalis, from infernus 'hell']

1. [only before noun] old-fashioned used to express anger or annoyance about something:
I wish the children would stop that infernal noise.

2. literary relating to hell and evil ⇒ hell
—infernally adverb

[TahlilGaran] Dictionary of Contemporary English ▲