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Definitionharmful or something spreading harm — especially in a gradual or subtle way
- That, perhaps, in short, this Prerogative Office of the diocese of Canterbury was altogether such a pestilent job, and such a pernicious absurdity, that but for its being squeezed away in a corner of St. Paul's Churchyard, which few people knew, it must have been turned completely inside out, and upside down, long ago.Chapters 31-33 (77% in)
There are no more uses of "pernicious" in David Copperfield.
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