hallucination

[ huh-loo-suh-ney-shuhn ]
/ həˌlu səˈneɪ ʃən /

noun

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.
a false notion, belief, or impression; illusion; delusion.

Origin of hallucination

1640–50; < Latin hallūcinātiōn- (stem of (h)allūcinātiō) a wandering of the mind. See hallucinate, -ion

SYNONYMS FOR hallucination

Related forms

hal·lu·ci·na·tion·al, hal·lu·ci·na·tive [huh-loo-suh-ney-tiv, -nuh-tiv] /həˈlu səˌneɪ tɪv, -nə tɪv/, adjectivenon·hal·lu·ci·na·tion, noun

Can be confused

allusion delusion elusion hallucination illusion (see synonym study at illusion)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for hallucinative

hallucination

/ (həˌluːsɪˈneɪʃən) /

noun

the alleged perception of an object when no object is present, occurring under hypnosis, in some mental disorders, etc

Derived Forms

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

Medicine definitions for hallucinative

hallucination

[ hə-lōō′sə-nāshən ]

n.

False or distorted perception of objects or events with a compelling sense of their reality, usually resulting from a mental disorder or drug.
The objects or events so perceived.

Related forms

hal•luci•nate′ v.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Culture definitions for hallucinative

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.