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Definitions

hallucination

[huh-loo-suh-ney-shuhn] / həˌlu səˈneɪ ʃən /


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.

The neuroscientist Anil Seth says the brain is a “prediction machine,” and selfhood a useful hallucination.

From The Wall Street Journal • Mar. 15, 2026

Founder Shield incorporates "AI malfunction and hallucination" scenarios specifically into professional services policies covering losses the technology causes clients.

From Barron's • Mar. 15, 2026

These included conditions such as seizures, altered mental status, and hallucination.

From Science Daily • Jan. 5, 2026

People who scored higher on the scale had greater control, which correlated with lower measures of hallucination severity and lower perceived malevolence and omnipotence of the voices.

From Salon • Jun. 3, 2025

Everything had happened so quickly, though, I never had a chance to stop and wonder if I might be chasing a hallucination.

From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs