[huh-loo-suh-nuh-tawr-ee, -tohr-ee]


pertaining to or characterized by hallucination: hallucinatory visions.

Origin of hallucinatory

First recorded in 1820–30; hallucinate + -ory1
Related formsnon·hal·lu·ci·na·to·ry, adjectiveun·hal·lu·ci·na·to·ry, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for hallucinatory

Contemporary Examples of hallucinatory

Historical Examples of hallucinatory

  • She had insight into the hallucinatory nature of these visions.

    Benign Stupors

    August Hoch

  • There are no hallucinatory phases in the conditions or causes.

    Visual Illusions

    Matthew Luckiesh

  • Or again, the sounds may be hallucinatory and only some mortals may have the power of hearing them.

  • It seems to have been hallucinatory, otherwise all would have shared the experience.

  • The first wish must have been an hallucinatory occupation of the memory for gratification.

    Dream Psychology

    Sigmund Freud

Word Origin and History for hallucinatory

1830, from hallucinat-, past participle stem of Latin hallucinari (see hallucinate) + -ory.

Online Etymology Dictionary, © 2010 Douglas Harper

hallucinatory in Medicine




Of or characterized by hallucination.
Inducing or causing hallucination.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.