Definition of hallucination in English:



  • An experience involving the apparent perception of something not present.

    ‘he continued to suffer from horrific hallucinations’
    • ‘Soon, however, it can result in delusions, hallucinations, manic behaviour and extreme mood swings.’
    • ‘Sensory misperceptions, including hallucinations and illusions, are common in delirium.’
    • ‘Evidence is what appears to you, even in visions and hallucinations and delusions.’
    • ‘He began experiencing hallucinations and hearing voices telling him to do things.’
    • ‘When a person has taken acid they will experience hallucinations and delusions.’
    • ‘During these periods of madness, she experienced hallucinations.’
    • ‘He also reported sleep paralysis and hypnagogic hallucinations.’
    • ‘The cannabis user may have a repeat experience of a previous hallucination.’
    • ‘Soon after starting the tramadol, he began to experience auditory hallucinations.’
    • ‘I realized that paranoid ideas and hallucinations contain a germ of meaning.’
    • ‘Both dreams and hallucinations involve intensive activation of the seeking system.’
    • ‘A hallucination is a sense perception not caused by an external stimulus.’
    • ‘It wasn't a dream, a hallucination, or a figment of my wild, childish imagination.’
    • ‘Because what happens when we go to sleep is that our minds become dull and stupid and as a result, we experience a variety of hallucinations.’
    • ‘He said it was not strange for long-distance runners to experience hallucinations on the trail.’
    • ‘They may become incontinent, experience hallucinations and become increasingly unaware of their surroundings.’
    • ‘In addition there was no evidence of abnormal perception or any auditory hallucinations which had been a feature previously.’
    • ‘The treatment lasted four hours during which I experienced hallucinations and talked to people who have died.’
    • ‘Experiencing a mild hallucination of this sort is a good sign for the biographer, Geoff insists.’
    • ‘If these electric currents are disrupted in any way, it can cause hallucinations and false experiences.’
    delusion, illusion, figment of the imagination, vision, apparition, mirage, chimera, fantasy, dream, daydream
    delirium, phantasmagoria
    trip, pink elephants
    View synonyms