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[self-di-sep-shuh n, self-] /ˈsɛlf dɪˈsɛp ʃən, ˌsɛlf-/
the act or fact of deceiving oneself.
Also called self-deceit
[self-di-seet, self-] /ˈsɛlf dɪˈsit, ˌsɛlf-/ (Show IPA)
Origin of self-deception
Related forms
self-deceptive, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for self-deception
Contemporary Examples
Historical Examples
  • A certain element of self-deception lingered in his dishonour.

    Denis Dent Ernest W. Hornung
  • Nothing is more pathetic in human nature than its faculty of self-deception.

    Pipefuls Christopher Morley
  • Does not the man at times conceal himself to the God, by self-deception, self-excuse, by lying to his higher nature?

    Homer's Odyssey Denton J. Snider
  • The rare value of Machiavelli is just this lack of self-deception.

    A Preface to Politics Walter Lippmann
  • We went up to London in the fond hope that the world at large would support us in our self-deception.

  • But to guard against this self-deception should be the end and object of all our efforts.

    Cavalry in Future Wars Frederick von Bernhardi.
British Dictionary definitions for self-deception


the act or an instance of deceiving oneself, esp as to the true nature of one's feelings or motives
Derived Forms
self-deceptive, adjective
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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Word Origin and History for self-deception

1670s, from self- + deception.

Online Etymology Dictionary, © 2010 Douglas Harper
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