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hallucination

Definition

  • noun: something (such as an image, a sound, or a smell) that seems real but does not really exist and that is usually caused by mental illness or the effect of a drug
  • noun: perception of objects with no reality usually arising from disorder of the nervous system or in response to drugs (as LSD)

Examples

  • He could not tell if what he was seeing was real or if it was a 'hallucination'.

  • He has been having 'hallucinations' due to the medication.

Movie quotes

  • (..) As such, his illness may have gone untreated... ...far longer than is typical. What do you mean? How long? Possibly since graduate school. At least that's when his hallucinations seem to have begun. What are you talking about? What hallucinations? One, so far, that I am aware of. (..)
    2001 A Beautiful Mind