Psychosis

n.	1.	Any vital action or activity.
	2.	(Med.) A disease of the mind; especially, a functional mental disorder, that is, one unattended with evident organic changes.

Noun

1.

psychosis - any severe mental disorder in which contact with reality is lost or highly distorted

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, 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