1. (n.) Any vital action or activity.

2. (n.) A disease of the mind; especially, a functional mental disorder, that is, one unattended with evident organic changes.

abulia arteriosclerotic psychosis brain disease certifiability crack-up dementia paralytica dipsomania drug addiction emotional disorder emotional instability folie du doute functional nervous disorder functional psychosis general paralysis general paresis insanity maladjustment manic-depressive psychosis melancholia mental disorder mental illness metabolic psychosis moral insanity nervous breakdown nervous disorder neurosis organic psychosis paralytic dementia paranoia pathological drunkenness personality disorder presenile dementia prison psychosis problems in living psychopathia psychopathia sexualis psychopathic condition psychopathic personality psychopathy reaction schizophrenia senile dementia senile psychosis senility sexual pathology situational psychosis social maladjustment syphilitic paresis toxic psychosis