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undeceive

[uhn-di-seev] /ˌʌn dɪˈsiv/
verb (used with object), undeceived, undeceiving.
1.
to free from deception, fallacy, or mistake.
Origin of undeceive
1590-1600
First recorded in 1590-1600; un-2 + deceive
Related forms
undeceivable, adjective
undeceiver, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for undeceive
Historical Examples
  • (To Argan) Sir, allow me to undeceive him, and to show him his mistake.

  • It will be easy to undeceive the man—later—when you are saved.

    Night and Morning, Complete Edward Bulwer-Lytton
  • I hope that she is under a delusion: it will be easy for you to undeceive her.

    A Hero of Our Time M. Y. Lermontov
  • To no end did Nelly try to undeceive her father on this head.

    The Daltons, Volume II (of II) Charles James Lever
  • Yet I would not undeceive her, for I wanted her to bring matters to a climax.

    The Memoires of Casanova, Complete Jacques Casanova de Seingalt
  • Possibly I should have been wise not to undeceive him on this account.

    The Memoires of Casanova, Complete Jacques Casanova de Seingalt
  • Now thinking it best to undeceive her, "It is no dream, my dear," returned Miss Woodley.

    A Simple Story Mrs. Inchbald
  • I am sorry to undeceive you, but it is indeed the truth I speak.

    Molly Bawn Margaret Wolfe Hamilton
  • Man may weave, but she will undeceive; man may arrange, but God will dispose.

    Ernest Linwood Caroline Lee Hentz
  • Well, it was pretty trying, but Davies strove to explain and to undeceive.

    Under Fire Charles King
British Dictionary definitions for undeceive

undeceive

/ˌʌndɪˈsiːv/
verb
1.
(transitive) to reveal the truth to (someone previously misled or deceived); enlighten
Derived Forms
undeceivable, adjective
undeceiver, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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