Definition of hallucination in English:



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

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