Translate paranoia | into German | into Italian | into Spanish
Definition of paranoia
- a mental condition characterized by delusions of persecution, unwarranted jealousy, or exaggerated self-importance, typically elaborated into an organized system. It may be an aspect of chronic personality disorder, of drug abuse, or of a serious condition such as schizophrenia in which the person loses touch with reality.
early 19th century: modern Latin, from Greek, from paranoos 'distracted', from para 'irregular' + noos 'mind'