de·lu·sion | \ di-ˈlü-zhən 
, dē- \
, dē- \Definition of delusion
1a : something that is falsely or delusively believed or propagated under the delusion that they will finish on schedule delusions of grandeur
b psychology : a persistent false psychotic belief regarding the self or persons or objects outside the self that is maintained despite indisputable evidence to the contrary
the delusion that someone was out to hurt him also : the abnormal state marked by such beliefs
2 : the act of tricking or deceiving someone : the state of being deluded … accused the Bohemian of having practised the most abominable arts of delusion among the younger brethren.— Walter Scott
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Other Words from delusion
delusional \ di-ˈlüzh-nəl , dē- , -ˈlü-zhə-nᵊl \ adjective
, dē- , -ˈlü-zhə-nᵊl \ adjectivedelusionary \ di-ˈlü-zhə-ˌner-ē , dē- \ adjective
, dē- \ adjectiveSynonyms for delusion
Synonyms
- chimera,
- conceit,
- daydream,
- dream,
- fancy,
- fantasy
- (also phantasy),
- figment,
- hallucination,
- illusion,
- nonentity,
- phantasm
- (also fantasm),
- pipe dream,
- unreality,
- vision
Examples of delusion in a Sentence
He has delusions about how much money he can make at that job.
He is living under the delusion that he is incapable of making mistakes.
She is under the delusion that we will finish on time.
As the illness progressed, his delusions took over and he had violent outbursts.
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Recent Examples on the Web Jack is in his Woodside apartment, in the throes of a delusion.
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New York Times, "The Epicenter," 3 Dec. 2020 In an essay at Jewish Currents that’s at once hilarious and terrifying, Tanner explores this bizarre, mad world: one of mass delusion and conspiracy theories.
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Cheri Lucas Rowlands, Longreads, "The Mormon Mommy Bloggers of Instagram," 25 Dec. 2020 From the beginning, the delusion of American individualism and the angst of an uncertain end date have blocked hordes of people from realizing or acknowledging that there is only one safe way to do this.
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Casey Taylor, The New Republic, "Inside the Hostage Crisis of America’s Dying Restaurants," 11 Dec. 2020 There is no time left for more debate, delay or delusion.
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David Dworkin For Cnn Business Perspectives, CNN, "Pelosi and McConnell need to make a stimulus deal to protect renters," 8 Dec. 2020 With that in mind, Popovich and others associated with the NBA are under no delusion that the 72-game regular season will go off without a hitch.
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Jeff Mcdonald, ExpressNews.com, "Popovich: Personal responsibility paramount as Spurs set for camp opener," 1 Dec. 2020 And with post-election division fueled by delusion and demagoguery, this Turkey Day was poised to be a bloodbath.
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Petula Dvorak, Washington Post, "Will covid-19 make this the Turkey Day without political fights?," 23 Nov. 2020 Those keywords — delusion, justice, accountability and freedom — name and organize the four short essays that provide most of the book’s pages.
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Washington Post, "Delusions, justice, accountability and freedom in America," 18 Dec. 2020 The dream of making it as actor requires optimism at a level that frequently borders on delusion.
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al, "Former Opelika, Clemson football player Jock McKissic finds role in drama ‘Your Honor’," 17 Dec. 2020
See MoreThese example sentences are selected automatically from various online news sources to reflect current usage of the word 'delusion.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for delusion
delusion
nounEnglish Language Learners Definition of delusion
: a belief that is not true : a false idea
: a false idea or belief that is caused by mental illness
See the full definition for delusion in the English Language Learners Dictionary
delusion
nounde·lu·sion | \ di-ˈlü-zhən \
\Kids Definition of delusion
: a false belief that continues in spite of the facts
“You might be laboring under the delusion that the entire … world is impressed with you …”— J. K. Rowling, Goblet of Fire
delusion
nounde·lu·sion | \ di-ˈlü-zhən \
\Medical Definition of delusion
b : an abnormal mental state characterized by the occurrence of psychotic delusions
2 : a false belief regarding the self or persons or objects outside the self that persists despite the facts and occurs in some psychotic states — compare hallucination sense 1, illusion sense 2a
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The first known use of delusion was in the 15th century
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