self-de·​cep·​tion | \ ˌself-di-ˈsep-shən How to pronounce self-deception (audio) \
plural self-deceptions

Definition of self-deception

: the act or an instance of deceiving oneself or the state of being deceived by oneself especially concerning one's true nature, feelings, etc. the capacity for self-deception Over time, [Henry] Marsh writes, many doctors start to internalize the stories they tell themselves about their superior judgment and skill. But the best, he adds, unlearn their self-deceptions, and come to accept their fallibility and learn from their mistakes.— Jennifer Senior

First Known Use of self-deception

1648, in the meaning defined above

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The first known use of self-deception was in 1648

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Cite this Entry

“Self-deception.” Dictionary, Merriam-Webster, Accessed 22 Sep. 2020.

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English Language Learners Definition of self-deception

: the act of making yourself believe something that is not true

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