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Another word for insanity

Noun
  1. Serious mental illness or disorder impairing a person's capacity to function normally and safely

  2. See also:

    sane

Synonym Study

  • Psychosis is the psychiatric term for any of various specialized mental disorders, functional or organic, in which the personality is seriously disorganized
  • Dementia is the general term for an acquired mental disorder, now generally one of organic origin, as distinguished from amentia (congenital mental deficiency)
  • Lunacy specifically suggests periodic spells of insanity, but is now most commonly used in its extended sense of extreme folly
  • Insanity , current in popular and legal language but not used technically in medicine, implies mental derangement in one who formerly had mental health