hallucination
a sensory experience of something that does not exist outside the mind, caused by various physical and mental disorders, or by reaction to certain toxic substances, and usually manifested as visual or auditory images.
the sensation caused by a hallucinatory condition, or the object or scene visualized.
Computers, Digital Technology. (in the field of machine learning) false information generated by a machine learning program contrary to the intent of the user and presented as if it were true and factual.
Origin of hallucination
1synonym study For hallucination
Other words for hallucination
Other words from hallucination
- hal·lu·ci·na·tion·al, hal·lu·ci·na·tive [huh-loo-suh-ney-tiv, -nuh-tiv], /həˈlu səˌneɪ tɪv, -nə tɪv/, adjective
- non·hal·lu·ci·na·tion, noun
Words that may be confused with hallucination
Words Nearby hallucination
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use hallucination in a sentence
All the weirdness of LSD—the hallucinations and acid insights and everything else—may be a direct consequence of this biochemical blockade of serotonin release.
Dreaming Is Like Taking LSD - Issue 95: Escape | Antonio Zadra & Robert Stickgold | January 14, 2021 | NautilusAbout an hour after Clifford Howard consumed three buttons of peyote, the hallucinations kicked in.
‘Purity’ was one of Hollywood’s most controversial films. Meet its D.C. writer. | John Kelly | January 11, 2021 | Washington PostVision without execution is hallucination, but execution without vision is like a hamster wheel.
These are less noticeable than the so-called positive symptoms, which indicate the presence of something extra, such as hallucinations.
Machines can spot mental health issues—if you hand over your personal data | Bobbie Johnson | August 13, 2020 | MIT Technology ReviewThey don’t mention these auditory hallucinations explicitly, but they do use associated words—“sound,” “hear,” “chant,” “loud”—more often in regular conversation.
Machines can spot mental health issues—if you hand over your personal data | Bobbie Johnson | August 13, 2020 | MIT Technology Review
How can we taxonomize their experience, and differentiate it from hallucination, or psychotic break?
The hallucination is visually incoherent, either a rough approximation of text or a random assemblage of letters.
Knocking on Heaven's Door: True Stories of Unexplained, Uncanny Experiences at the Hour of Death | Patricia Pearson | August 11, 2014 | THE DAILY BEASTIt's confusing at times; what's real and what's a hallucination isn't always clear.
Lady Gaga, Avril Lavigne & More Best Music Videos of the Week (VIDEO) | Victoria Kezra | August 25, 2013 | THE DAILY BEASTBut this is yet another hallucination, because, in fact, they don't.
The whole thing is played completely straight, with no sign that it is a dream sequence, hallucination, or break from reality.
The little maid calls him Drac, identifies the flower in his hand, and lives on in this hallucination.
Frdric Mistral | Charles Alfred DownerBut even this great marvel seemed natural in comparison with the singular hallucination to which I was presently subjected.
Catherine de' Medici | Honore de BalzacI questioned him more fully than I had ever done, with a view to making myself master of the facts of his hallucination.
Dracula | Bram StokerShe had a sentimental hallucination as other people have a physical one.
The Child of Pleasure | Gabriele D'AnnunzioIt seems as if the young man was under the hallucination of his fever?
The Tiger Hunter | Mayne Reid
British Dictionary definitions for hallucination
/ (həˌluːsɪˈneɪʃən) /
the alleged perception of an object when no object is present, occurring under hypnosis, in some mental disorders, etc
Derived forms of hallucination
- hallucinational, hallucinative or hallucinatory, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cultural definitions for hallucination
A false perception that appears to be real, as when, for example, a man dying of thirst in a desert thinks that he sees a lake. (See also delusion.)
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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