There are several synonyms for pathological narcissist, including malignant narcissist, grandiose narcissist, and narcissistic personality disorder. These terms refer to individuals who exhibit persistent and extreme patterns of self-centeredness, disregard for others, and a lack of empathy. Their behavior is typically characterized by an excessive preoccupation with their own needs and desires, as well as a tendency to exploit others for their own gain. Pathological narcissists often have a sense of entitlement and an inflated sense of self-importance, and may become aggressive or even violent when their behavior is challenged or criticized. It is important to remember that dealing with a pathological narcissist can be challenging, as their behavior is often deeply ingrained and resistant to change.