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
In other words, bad data in means a corrupt model that hallucinates or is otherwise unreliable for generating training data for robotic AI.
—
Dave Altavilla, Forbes, 13 Jan. 2025
On the other end of the line was Kevin, now back at Syracuse and living in a rented room, hallucinating.
—Ellen Barry, New York Times, 30 Dec. 2024
By just relying on airline databases, which often are not immediately updated, AI can hallucinate and make poor recommendations.
—William Bain, Forbes, 23 Dec. 2024
There’s always the fear that AI is going to hallucinate or come to a conclusion that just doesn’t make sense.
—Megan Poinski, Forbes, 11 Dec. 2024
See all Example Sentences for hallucinate 
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Dave Altavilla, Forbes, 13 Jan. 2025
On the other end of the line was Kevin, now back at Syracuse and living in a rented room, hallucinating.
—Ellen Barry, New York Times, 30 Dec. 2024
By just relying on airline databases, which often are not immediately updated, AI can hallucinate and make poor recommendations.
—William Bain, Forbes, 23 Dec. 2024
There’s always the fear that AI is going to hallucinate or come to a conclusion that just doesn’t make sense.
—Megan Poinski, Forbes, 11 Dec. 2024
See all Example Sentences for hallucinate
Dictionary Entries Near hallucinate
Cite this Entry
“Hallucinate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hallucinate. Accessed 21 Jan. 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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