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undeceive

American  
[uhn-di-seev] / ˌʌn dɪˈsiv /

verb (used with object)

undeceived, undeceiving
  1. to free from deception, fallacy, or mistake.


undeceive British  
/ ˌʌndɪˈsiːv /

verb

  1. (tr) to reveal the truth to (someone previously misled or deceived); enlighten

"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

Other Word Forms

  • undeceivable adjective
  • undeceiver noun

Etymology

Origin of undeceive

First recorded in 1590–1600; un- 2 + deceive

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“I am laboring industriously to undeceive the people,” one optimistic officer wrote from Arkansas.

From Textbooks • Jan. 18, 2018

It announced that British Broadcasting Corporation would begin to send out "straight news" in seven languages to undeceive misinformed mankind.

From Time Magazine Archive

Howard agrees but, as headwaiter to girl, he dares not undeceive her.

From Time Magazine Archive

During the meal she was quiet and cool: but I could not undeceive her then.

From "Jane Eyre" by Charlotte Brontë

Sometimes the prisoners mistook me for a German; and I did not always undeceive them.

From In the Russian Ranks A Soldier's Account of the Fighting in Poland by Morse, John