| Date: | 1300-1400 |
| Language: | Old French |
| Origin: | Late Latin infernalis, from infernus 'hell' |
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in‧fer‧nal

1 [only before noun] old-fashioned used to express anger or annoyance about something :
I wish the children would stop that infernal noise.
I wish the children would stop that infernal noise.2 literary relating to hell and evil
—infernally adverb




