rare. [f. next: see -OSITY.] The state or condition of being spurious; a spurious thing or production. Also Comb.

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1863.  Kingsley, Water-Babies, 168. A heavy tax on words over four syllables, as heterodoxy,… spuriosity, &c.

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1894.  Athenæum, 6 Oct., 457/3. The horn-book … is at last receiving attention from the ‘spuriosity’ maker. Ibid. How this spuriosity came into existence forms an amusing story.

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