Another word for insanity
mental illness, mental disorder, derangement, psychopathy, madness, dementia, amentia, lunacy, psychosis, alienation, neurosis, psychoneurosis, phobia, mania, craziness, aberration; see also complex 1, disease.
Mental illnesses and disorders include: schizophrenia, dementia praecox, catatonia, paranoia, hysteria, catalepsy, manic-depressive disorder, bipolar disorder, depression, melancholia, cyclothymia, delusion, hallucination, delirium, amnesia, split personality, multiple personality, autism, mental retardation, senile dementia, obsession, fixation, compulsion, obsessive-compulsive disorder, mania, phobia; nervous breakdown*.
Disorders usually accompanied by impaired mental functioning include: Down syndrome, Mongolism*, cretinism, microcephaly, hydrocephaly, Alzheimer's disease.
insanity, current in popular and legal language but not used technically in medicine, implies mental derangement in one who formerly had mental health; lunacy specifically suggests periodic spells of insanity, but is now most commonly used in its extended sense of extreme folly; dementia is the general term for an acquired mental disorder, now generally one of organic origin, as distinguished from amentia (congenital mental deficiency); psychosis is the psychiatric term for any of various specialized mental disorders, functional or organic, in which the personality is seriously disorganized
Another word for insanitynoun
Serious mental illness or disorder impairing a person's capacity to function normally and safely:brainsickness, craziness, dementia, derangement, disturbance, insaneness, lunacy, madness, mental illness, psychopathy, unbalance. (Psychiatry) mania. (Psychology) aberration, alienation. See sane
Foolish behavior:absurdity, folly, foolery, foolishness, idiocy, imbecility, lunacy, madness, nonsense, preposterousness, senselessness, silliness, tomfoolery, zaniness. (Informal) craziness. See ability