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
The problem isn’t just that the large language models that power generative AI tools can hallucinate, or make up information in certain situations.
—
Adam Clark Estes, Vox, 29 June 2024
During the session, it was revealed that late night texts from the Oxford High shooter to a friend are the basis for prosecutors' argument that the shooter was hallucinating and begging his parents for help.
—Leah Olajide, Detroit Free Press, 31 Jan. 2024
This is a bit of good news for free users who don't want to see generative AI tools, which can hallucinate, jammed into every aspect of their digital lives.
—Kate Irwin, PCMAG, 25 June 2024
For one, Will is still dying of pancreatic cancer, with an imaginary countdown running in his head that is much more real than the one Auggie hallucinated.
—Ben Rosenstock, Vulture, 21 Mar. 2024
See all Example Sentences for hallucinate 
Adam Clark Estes, Vox, 29 June 2024
During the session, it was revealed that late night texts from the Oxford High shooter to a friend are the basis for prosecutors' argument that the shooter was hallucinating and begging his parents for help.
—Leah Olajide, Detroit Free Press, 31 Jan. 2024
This is a bit of good news for free users who don't want to see generative AI tools, which can hallucinate, jammed into every aspect of their digital lives.
—Kate Irwin, PCMAG, 25 June 2024
For one, Will is still dying of pancreatic cancer, with an imaginary countdown running in his head that is much more real than the one Auggie hallucinated.
—Ben Rosenstock, Vulture, 21 Mar. 2024
See all Example Sentences for hallucinate
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'hallucinate.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near hallucinate
Cite this Entry
“Hallucinate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hallucinate. Accessed 26 Jul. 2024.
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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share