NARCISSISM definition: 1. too much interest in and admiration for your own physical appearance and/or your own abilities…. Learn more. Narcissistic personality disorder is a formal mental health diagnosis. It is not a personal choice or type of personality. Learn more about symptoms and causes. Narcissistic personality disorder (NPD) is a pervasive pattern of grandiosity, a need for admiration, a lack of empathy, and a heightened sense of self-importance. Individuals with NPD may present to others as boastful, arrogant, or even unlikeable.[1] NPD is a pattern of behavior persisting over a long period and through a variety of situations or social contexts and can result in significant impairment in social and occupational functioning.[2] Additionally, NPD is often comorbid with ... Traits of narcissism may be adaptive or maladaptive. On a spectrum, narcissism can be overt, covert, antagonistic, communal, or malignant.
