1. Referring to actual, or potential, borderline schizophrenia; a condition characterized by cold aloof feelings, eccentric behavior, hallucinations, illusions, and delusions.
2. Characterized by, exhibiting, or being patterns of thought, perception, communication, and behavior suggestive of schizophrenia but not of sufficient severity to warrant a diagnosis that it is schizophrenia.

A personality disorder characterized by eccentric thought, speech, and behavior and social withdrawal; similar to but not as severe as schizophrenia.