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Word of the Day Tuesday, June 9, 2026

delusion

/dɪˈluːʒən/ noun · British & US
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What does delusion mean?

noun

A false belief or opinion that is not based on reality, often held by a person who is not aware that it is false. A persistent false belief or opinion that is not based on reality.

Example

"Her delusion that she was a famous actress was a source of amusement for her friends."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for delusion

Antonyms of delusion

Rhymes with delusion

Etymologically related