Definition of psychosis in English:

psychosis

noun

  • A severe mental disorder in which thought and emotions are so impaired that contact is lost with external reality:

    ‘they were suffering from a psychosis’
    [mass noun] ‘the symptoms of psychosis’
    • ‘The authors emphasize that acute transient psychosis occurs far more frequently in developing countries and that these do not fit into the traditional subdivision of psychoses into schizophrenia and manic-depressive illness.’
    • ‘When high levels of L-dopa were used to treat Parkinson's Disease type symptoms (immortalised in the film, ‘Awakenings’), the individuals concerned developed acute paranoid psychoses.’
    • ‘While 1% of patients with epilepsy admitted to the state hospital improved, 16.5% of those who developed acute psychoses remitted.’
    • ‘There is broad consensus that cognitive deficits play a crucial role for both the pathogenesis and prognosis of schizophrenic psychoses.’
    • ‘Anderson et al studied 24 patients with acute psychoses who met RDC criteria for schizophrenia or mania.’
    • ‘Only serious psychoses that required psychiatric consultation and/or treatment were considered as mental disturbances.’
    • ‘Zuclopenthixol is also authorised in humans as Clopixol and is for the management of schizophrenia and allied psychoses.’
    • ‘Celebrities, too, are prone to ‘nervous exhaustion’ - doubtless the result of having to work so much harder than the rest of us - rather than drug-induced depressions, panic disorders or psychoses.’
    • ‘Depending on which symptoms are apparent, delirium may be mistaken for a variety of disorders including dementia, mood disorders, and functional psychoses.’
    • ‘Functional psychoses include conditions such as schizophrenia, paranoia, psychopathic personality traits and manic depression.’
    • ‘Investigators in Europe and North America suggested that children whose parents did not visit them suffered acute emotional trauma, which often caused neuroses and psychoses in youth and adulthood.’
    • ‘Chronic use of GHB may produce dependence and a withdrawal syndrome that includes anxiety, insomnia, tremor, and in severe cases, treatment-resistant psychoses.’
    • ‘Most paranoid psychoses are chronic rather than episodic, but Schreber had an initial mental illness lasting from October 1884 to June 1885 from which he made a good recovery.’
    • ‘Brief reactive psychoses are of interest because some behaviors, otherwise considered normal in developing countries (such as trance or other dissociative-type disorders), overlap.’
    • ‘Thus the significant differences between LSD and schizophrenic psychoses appear to be in the affective nature of LSD psychosis and the greater incidence of delusions and auditory hallucinations in schizophrenics.’
    • ‘How strong is the evidence that cannabis is causally implicated in the precipitation or exacerbation of schizophrenia and other psychoses?’
    • ‘Fluphenazine is a member of the phenothiazine drug family and is often used in the treatment of various psychoses, mainly schizophrenia and paranoid syndromes.’
    • ‘And the number hospitalised with alcohol psychoses - delirium, shaking, or memory loss - has risen by more than a third since 1997-98.’
    • ‘Identification of these processes may also uncover mechanisms of cognitive impairment, with implications not only for AD but also for idiopathic psychoses.’
    • ‘Head injury, even when associated with minimal trauma, can lead to affective psychoses and schizophrenia.’
    insanity, insaneness, dementia, mental illness, derangement, dementedness, instability, unsoundness of mind, lunacy, distraction, depression, mania, hysteria, frenzy, psychosis, psychopathy, schizophrenia, hydrophobia
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Origin

Mid 19th century: from Greek psukhōsis animation, from psukhoō I give life to, from psukhē soul, mind.

Pronunciation:

psychosis

/sʌɪˈkəʊsɪs/