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
Employees blame a lack of good data and chips, as well as AI’s penchant to hallucinate false information, for the delay.
—
Paolo Confino, Fortune, 13 June 2024
Language models that don't have recent info in their data sets can hallucinate answers to questions that require that info.
—John Burek, PCMAG, 10 June 2024
The prosecution has argued the texts show the son was hallucinating and mentally struggling, though the mom testified that no such thing was happening.
—Gina Kaufman, Detroit Free Press, 8 Mar. 2024
What Armand doesn't know, however, is that Louis can't stop hallucinating Lestat.
—Sydney Bucksbaum, EW.com, 27 May 2024
See all Example Sentences for hallucinate 
Paolo Confino, Fortune, 13 June 2024
Language models that don't have recent info in their data sets can hallucinate answers to questions that require that info.
—John Burek, PCMAG, 10 June 2024
The prosecution has argued the texts show the son was hallucinating and mentally struggling, though the mom testified that no such thing was happening.
—Gina Kaufman, Detroit Free Press, 8 Mar. 2024
What Armand doesn't know, however, is that Louis can't stop hallucinating Lestat.
—Sydney Bucksbaum, EW.com, 27 May 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 2 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
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