[Sydmoe]

Definition of narcissis: Mental disorder characterized by extreme self-absorption, an exaggerated sense of self-importance, and a need for attention and admiration from others. An individual with narcissistic personality disorder tends to harbor an exaggerated sense of his own self-importance and uniqueness. He is often excessively occupied with fantasies about his own attributes and potential for success, and usually depends upon others for reinforcement of his self-image.