SCHIZOPHRENIA

[noun] [U] medical - a mental illnessSymptoms of schizophrenia can include delusions, hallucinations, thought disorder, and strange behaviour and emotions.He was discharged from the Royal Navy after he was found to be suffering from paranoid schizophrenia.(informal) Schizophrenia sometimes refers to behaviour in which a person appears to have two different personalities.My boss's schizophrenia can be difficult to cope with - one day he's really friendly, and the next he completely ignores me.