hallucinate

[ huh-loo-suh-neyt ]
See synonyms for hallucinate on Thesaurus.com
verb (used without object),hal·lu·ci·nat·ed, hal·lu·ci·nat·ing.
  1. to see or hear things that do not exist outside the mind; have hallucinations: People who ingested this fungus often hallucinated, seeing colored lights or hearing voices.

  2. Computers, Digital Technology. (of a machine learning program) to produce false information contrary to the intent of the user and present it as if true and factual.

verb (used with object),hal·lu·ci·nat·ed, hal·lu·ci·nat·ing.
  1. to see or hear (things that do not exist outside the mind); havehallucinations about: In dramatic moments, the character hallucinates a very funny animated bear.

  2. Archaic. to affect with hallucinations.

Origin of hallucinate

1
First recorded in 1595–1605; from Latin hallūcinātus “wandered mentally” past participle of hallūcinārī, variant of (h)ālūcinārī “to dream, talk idly, wander mentally”

Other words from hallucinate

  • hal·lu·ci·na·tor, noun
  • non·hal·lu·ci·nat·ed, adjective
  • un·hal·lu·ci·nat·ed, adjective
  • un·hal·lu·ci·nat·ing, adjective

Words Nearby hallucinate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use hallucinate in a sentence

British Dictionary definitions for hallucinate

hallucinate

/ (həˈluːsɪˌneɪt) /


verb
  1. (intr) to experience hallucinations

Origin of hallucinate

1
C17: from Latin ālūcinārī to wander in mind; compare Greek aluein to be distraught

Derived forms of hallucinate

  • hallucinator, noun

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