hallucinate
verb
hal·lu·ci·nate
hə-ˈlü-sə-ˌnāt 
hallucinated; hallucinating
1
: to affect with visions or imaginary perceptions
2
: to perceive or experience as a hallucination
: to have hallucinations
Examples of hallucinate in a Sentence
The patient may hallucinate if she has a fever.
Recent Examples on the Web
Once Player 96 is knocked off the bridge by the rope, other players — including Min-su, who is hallucinating after taking his last pill — are able to cross.
—
Jennifer Zhan, Vulture, 27 June 2025
Instead of hallucinating risky comparisons, the AI references an internal competitive intelligence deck.
—Sagar Gupta, Forbes.com, 23 June 2025
The consequences arrived after a court in Utah ordered sanctions after the filing included the first fake citation ever discovered in the state hallucinated by artificial intelligence.
—ArsTechnica, 2 June 2025
Supply chain and other company leaders need to consider data privacy concerns, the potential for AI solutions to hallucinate and the possibility that their teams will misapply AI.
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Jennifer Zhan, Vulture, 27 June 2025
Instead of hallucinating risky comparisons, the AI references an internal competitive intelligence deck.
—Sagar Gupta, Forbes.com, 23 June 2025
The consequences arrived after a court in Utah ordered sanctions after the filing included the first fake citation ever discovered in the state hallucinated by artificial intelligence.
—ArsTechnica, 2 June 2025
Supply chain and other company leaders need to consider data privacy concerns, the potential for AI solutions to hallucinate and the possibility that their teams will misapply AI.
—Christian Hyatt, Forbes.com, 20 June 2025
See All Example Sentences for hallucinate
Cite this Entry
“Hallucinate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hallucinate. Accessed 7 Jul. 2025.
Copy CitationKids Definition
hallucinate
verb
hal·lu·ci·nate
hə-ˈlüs-ə-ˌnāt
hallucinated; hallucinating
: to have hallucinations or experience as a hallucination
Medical Definition
hallucinate
verb
hal·lu·ci·nate
hə-ˈlüs-ᵊn-ˌāt
hallucinated; hallucinating
1
: to affect with visions or imaginary perceptions
the patient is not hallucinated
2
: to perceive or experience as a hallucination
may hallucinate monsters or attackers—M. J. Horowitz
M. J. Horowitz
: to have hallucinations
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