a. rare. [f. L. quisquiliæ f. pl., waste matter, refuse, rubbish, etc.] Of the nature of rubbish or refuse.

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1802–12.  Bentham, Ration. Judic. Evid. (1827), IV. 412. The science is overloaded by the quisquilious matter they rake together. Ibid. (a. 1832), Deontol. (1834), I. 295. Dr. Priestley … expunged what, in the quaint phraseology once in vogue, was called the ‘quisquilious matter.’

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1857.  Fraser’s Mag., LVI. 460. Besides garden fruit insects and worms, the Jay’s diet is sufficiently quisquilious.

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