The term "Personality Disorder" implies there is something not-quite-right about someone's personality. However, the term "personality disorder" simply refers to a diagnostic category of psychiatric disorders characterized by a chronic, inflexible, and maladaptive pattern of relating to the world. This maladaptive pattern is evident in the way a person thinks, feels, and behaves. The most noticeable and significant feature of these disorders is their negative effect on interpersonal relationships. A person with an untreated personality disorder is rarely able to enjoy sustained, meaningful, and rewarding relationships with others, and any relationships they do form are often fraught with problems and difficulties.