Definition of delusion in English:

delusion

noun

  • 1An idiosyncratic belief or impression that is firmly maintained despite being contradicted by what is generally accepted as reality or rational argument, typically a symptom of mental disorder.

    ‘the delusion of being watched’
    • ‘No talk show host or publisher invited them to share their delusions with the world.’
    • ‘I think I mentioned somewhere that delusions are visions of realities not yet activated.’
    • ‘The doctors had been aware that he harboured violent delusions.’
    • ‘He has grandiose delusions and does not want to stay in hospital.’
    • ‘Schizophrenia, a biological disorder of the brain, is characterised by delusions, hallucinations and thought disorders.’
    • ‘In the paranoid form of this disorder, they develop delusions of persecution or personal grandeur.’
    • ‘Psychotic delusions, say of being invincible, are a common element of mania.’
    • ‘The rise of psychoanalysis did much to validate the contents of mental symptoms, including delusions.’
    • ‘LSD can induce a psychotic state with paranoid delusions that can last for months.’
    • ‘Psychotic patients may have paranoid delusions about their food, leading to reduced intake.’
    • ‘Is it all a mass delusion, or is there something to it all.’
    • ‘Many are filled with hate and delusions of superiority; some are actually psychotic.’
    • ‘In other words, this was another sensational example of what sociologists call collective delusions.’
    • ‘In some non-Western cultures, schizophrenic delusions single out the person as spiritually gifted.’
    • ‘Is this for real, or just a delusion on my part?’
    • ‘Such a grandiose delusion is common to the consideration of an insanity defense.’
    • ‘Narcissism is a noxious mental disease that leads people to grandiose delusions.’
    • ‘What did they call it when two people shared a delusion?’
    • ‘He was a realistic man who harbored no delusions about immortality.’
    misapprehension, mistaken impression, false impression, mistaken belief, misconception, misunderstanding, mistake, error, misinterpretation, misconstruction, misbelief
    View synonyms
    1. 1.1The action of deluding someone or the state of being deluded.
      ‘what a capacity television has for delusion’
      • ‘This is one of the first steps he takes towards differentiating between delusion and fact.’
      • ‘The rest of us play along, but no one is fooled by this necessary delusion.’
      • ‘What is deceit or delusion, and what is genuine in this movement?’
      • ‘It took me 15 years to realise that it was a tragic, sickly delusion.’
      • ‘So many of us live in a life of delusion, of separation, of selfishness and of loneliness.’
      • ‘The collapse of idea in Europe may yet be the event that will snap Britain awake from a 30-year delusion.’
      • ‘In short, the evidence points more towards hoaxing and delusion than real discovery.’
      • ‘Now mass delusion is not necessarily a bad thing.’

Origin

Late Middle English (in the sense act of deluding or of being deluded): from late Latin delusio(n-), from the verb deludere (see delude).

Pronunciation:

delusion

/dəˈlo͞oZHən/