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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

They kept back nothing, not even precious things which might have been applied to holy works; for in this way only was it possible to undeceive the Indians, and to avoid the impression of avarice.

From The Philippine Islands, 1493-1898, Volume 30 of 55 Explorations by early navigators, descriptions of the islands and their peoples, their history and records of the catholic missions, as related in contemporaneous books and manuscripts, showing the political, economic, commercial and religious conditions of those islands from their earliest relations with European nations to the close of the nineteenth century, Volume XXX, 1640 by Abreu, Antonio Alvarez de