Psychopathic is a term used to describe a person who has a mental disorder characterized by abnormal or violent social behavior. The term 'psychopathic' is often used interchangeably with 'PSYCHOTIC' and 'DERANGED'. The crossword solutions for the term 'psychopathic' are 'DERANGED' (8 letters) and 'PSYCHOTIC' (9 letters). DERANGED means to be mentally or emotionally disturbed, while PSYCHOTIC refers to a severe mental disorder in which thought and emotions are so impaired that contact with reality is lost.