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[huh-loo-suh-neyt] /həˈlu səˌneɪt/
verb (used without object), hallucinated, hallucinating.
to have hallucinations.
verb (used with object), hallucinated, hallucinating.
to affect with hallucinations.
Origin of hallucinate
1595-1605; < Latin hallūcinātus, past participle of (h)allūcināri to wander in mind; see -ate1
Related forms
hallucinator, noun
nonhallucinated, adjective
unhallucinated, adjective
unhallucinating, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for hallucinate
Contemporary Examples
Historical Examples
  • A placard that is to have effect at some distance must be in glaring colours; pathos calls for images that hallucinate.

    mile Verhaeren Stefan Zweig
British Dictionary definitions for hallucinate


(intransitive) to experience hallucinations
Derived Forms
hallucinator, 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
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Word Origin and History for hallucinate

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.

Online Etymology Dictionary, © 2010 Douglas Harper
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