Obs. rare. [f. prec. + -ER1.] One who makes subtle distinctions or reasons subtly.

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1611.  Cotgr., Subtiliseur, a subtilizor.

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a. 1734.  North, Life Ld. Kpr. North (1742), 64. A Slave to Prejudice, a Subtiliser, and Inventor of unheard of Distinctions.

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