NPD, or Narcissistic Personality Disorder, is a mental health condition that is characterized by a need for admiration and grandiosity. There are several synonyms that can be used to describe this disorder, such as pathological narcissism, narcissistic pathology, and narcissistic personality disorder. These terms all refer to the same condition, and are often used interchangeably in medical and psychological literature. Other related terms include malignant narcissism, narcissistic traits, and grandiose narcissism. It is important to recognize the signs and symptoms of NPD, as early diagnosis and treatment can help to improve the quality of life for individuals with this condition.