The definition of narcissism is an excessive interest in or admiration of oneself. The DSM definition of narcissistic personality disorder is “a pattern of grandiosity, need for admiration, and lack of empathy.”
According to Beth Pausic, PsyD, director of behavioral health for Hims & Hers, a person can have some narcissistic traits without reaching the criteria to be diagnosed with narcissistic personality disorder.
“Many 
highly successful individuals display personality traits that might be 
considered narcissistic,” Dr. Pausic tells DailyOM. “Only when these 
traits are inflexible, maladaptive, [and] persisting, and cause 
significant functional impairment or subjective distress, do they 
constitute narcissistic personality disorder....<<<Read More>>>...

