self-delusion

noun

self-de·​lu·​sion ˌself-di-ˈlü-zhən How to pronounce self-delusion (audio)
-dē-
plural self-delusions
1
: the act of deluding oneself or the state of being deluded by oneself especially concerning one's true nature, abilities, feelings, etc.
My god-given talent for self-delusion keeps me believing that the increasing amount of time I spend alone is of my own choice …Matthew Ritger
They know what they are doing is wrong. And it's our job to remind them of it. Because when we don't continually remind them, people devolve into self-delusion.Jessica Valenti
2
: a delusion that one has concerning oneself
… a star of immense talent who harbored no self-delusions.Eric Marchese

Examples of self-delusion in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Werther, in his self-delusion, embodies another Goethean type, the longing man—ordinary, but convinced of the extraordinariness of his feelings. Merve Emre, New Yorker, 1 Dec. 2025 In the end, The Beast in Me — with its deft navigation of the gray areas between justice and vengeance, truth and self-delusion — refuses to offer any easy answers to these uneasy questions of moral responsibility. Max Gao, HollywoodReporter, 19 Nov. 2025 To tunnel inside a Chekhov story is to feel a narrowing that confounds and vexes us—whether through poverty, despair, indolence, or self-delusion—and, simultaneously, to taste the boundlessness of human longing. Philip Metres july 30, Literary Hub, 30 July 2025 But the downside is that this same emotional fuel powers self-delusion. Michael Brendan Dougherty, National Review, 18 June 2025 For someone with mega billions, this type of self-delusion could become mega pronounced. Alex Morris, Rolling Stone, 15 June 2025 Caio may suffer from dangerous degrees of self-delusion. Rafaela Bassili, Vulture, 10 June 2025 The cast was all so wonderful about playing layers, juggling some desperate feeling along with the lie or self-delusion. Peter White, Deadline, 21 May 2025 The game is a minefield, every step more precarious than the last — self-discipline, self-confidence and self-delusion in all directions. Brendan Quinn, New York Times, 21 May 2025

Word History

First Known Use

1625, in the meaning defined at sense 1

Time Traveler
The first known use of self-delusion was in 1625

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Cite this Entry

“Self-delusion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/self-delusion. Accessed 17 Dec. 2025.

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