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hallucinate

[huh-loo-suh-neyt]
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verb (used without object), hal·lu·ci·nat·ed, hal·lu·ci·nat·ing.
  1. to have hallucinations.
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verb (used with object), hal·lu·ci·nat·ed, hal·lu·ci·nat·ing.
  1. to affect with hallucinations.
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Origin of hallucinate

1595–1605; < Latin hallūcinātus, past participle of (h)allūcināri to wander in mind; see -ate1
Related formshal·lu·ci·na·tor, nounnon·hal·lu·ci·nat·ed, adjectiveun·hal·lu·ci·nat·ed, adjectiveun·hal·lu·ci·nat·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hallucinates

hallucinate

verb
  1. (intr) to experience hallucinations
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Derived Formshallucinator, noun

Word Origin

C17: from Latin ālūcinārī to wander in mind; compare Greek aluein to be distraught
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

Word Origin and History for hallucinates

hallucinate

v.

c.1600, "deceive," from Latin alucinatus, later hallucinatus, past participle of alucinari "wander (in the mind), dream; talk unreasonably, ramble in thought," probably from Greek alyein, Attic halyein "be distraught," probably related to alaomai "wander about" [Barnhart, Klein]. The Latin ending probably was influenced by vaticinari "to prophecy," also "to rave." Sense of "to have illusions" is from 1650s. Occasionally used 19c. in transitive senses, "to cause hallucination." Related: Hallucinated; hallucinating.

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Online Etymology Dictionary, © 2010 Douglas Harper