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Synonyms

deluded

American  
[dih-loo-did] / dɪˈlu dɪd /

adjective

  1. entertaining a false belief or opinion; mistaken or deceived in mind or judgment.

    While some deluded commentators welcomed this as "fantastic news," the rest of us were seriously upset.

verb

  1. the simple past tense and past participle of delude.

Other Word Forms

Etymology

Origin of deluded

delude ( def. ) + -ed 2 ( def. )

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.

If that’s the case, he is more deluded than he seems to think the rest of us are.

From Slate • Apr. 30, 2026

But he is also so paranoid, deluded and consumed with self-loathing that throughout this caustically witty novel we can’t help but root for him every step of the way.

From The Wall Street Journal • Jan. 2, 2026

"They weren't there; they weren't involved in the investigation. Some of these people are deluded," he says.

From BBC • Dec. 6, 2025

But she’s not the only one who is either deluded or lying about the implications.

From Salon • Sep. 5, 2025

I pity this man’s deluded and diseased mind.

From "Native Son" by Richard Wright

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.