Psychiatry.. Also called dementia praecox. a severe mental disorder characterized by some, but not necessarily all, of the following features: emotional blunting, intellectual deterioration, social isolation, disorganized speech and behavior, delusions, and hallucinations.
a state characterized by the coexistence of contradictory or incompatible elements.
any of a group of psychotic disorders characterized by progressive deterioration of the personality, withdrawal from reality, hallucinations, delusions, social apathy, emotional instability, etc See catatonia, hebephrenia, paranoia
(informal) behaviour that appears to be motivated by contradictory or conflicting principles