Nefandous (adj) (archaic)
ni-fan-dus
Not to be spoken of. Unmentionable; abominable; atrocious.
Mid 17th century; earliest use found in James Howell (?1594–1666), historian and political writer. From classical Latin nefandus wicked, impious, abominable + -ous.
Example sentences
“He’s behaved in the most nefandous way!”
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