rare. [f. next: see -OSITY.] The state or condition of being spurious; a spurious thing or production. Also Comb.
1863. Kingsley, Water-Babies, 168. A heavy tax on words over four syllables, as heterodoxy, spuriosity, &c.
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.