ppl. a. (UN-1 10.)

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1820.  Lamb, Elia, I. Two Races of Man. I would put it to the most untheorizing reader … whether [etc.].

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1856.  Ruskin, Mod. Paint., IV. V. App. ii. I … set myself … to see the Alps in a simple, thoughtless, and untheorizing manner.

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