[f. UNDECEIVE v.] One who or that which undeceives.

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1643.  (title) The Vn-Deceiver.

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1668.  R. L’Estrange, Vis. Quev. (1708), 114. Some call me the Plain-Dealer; others, the Undeceiver General.

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1825.  Lytton, Falkland, 20. My manhood has been the undeceiver of my youth.

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