* Feels grandiose and self-important (e.g., exaggerates achievements and talents to the point of lying, demands to be recognized as superior without commensurate achievements)
* Is obsessed with fantasies of unlimited success, fame, fearsome power or omnipotence, unequalled brilliance (the cerebral narcissist), bodily beauty or sexual performance (the somatic narcissist), or ideal, everlasting, all-conquering love or passion
* Firmly convinced that he or she is unique and, being special, can only be understood by, should only be treated by, or associate with, other special or unique, or high-status people (or institutions)
* Requires excessive admiration, adulation, attention and affirmation - or, failing that, wishes to be feared and to be notorious (narcissistic supply)
* Feels entitled. Expects unreasonable or special and favorable priority treatment. Demands automatic and full compliance with his or her expectations
* Is "interpersonally exploitative", i.e., uses others to achieve his or her own ends
* Devoid of empathy. Is unable or unwilling to identify with or acknowledge the feelings and needs of others
* Constantly envious of others or believes that they feel the same about him or her
* Arrogant, haughty behaviours or attitudes coupled with rage when frustrated, contradicted, or confronted
Some of the language in the criteria above is based on or summarized from: