Clinical narcissism refers to a personality disorder characterized by a grandiose sense of self-importance, an overwhelming need for admiration, and a lack of empathy towards others. Synonyms for clinical narcissist may include egotist, self-absorbed person, self-centered individual, or self-promoter. Other terms that may describe someone with clinical narcissism can include arrogant, haughty, conceited, or vain. Persons with this disorder often have a sense of entitlement and may exhibit exploitative behavior towards others. They may also have difficulty accepting criticism or failure and may engage in manipulative tactics to get what they want. In severe cases, clinical narcissism may cause significant problems in relationships, work, and other areas of life.