Medical Definition of narcissistic personality disorder. : a personality disorder characterized especially by an exaggerated sense of self-importance, persistent need for admiration, lack of empathy for others, excessive pride in achievements, and snobbish, disdainful, or patronizing attitudes.
For the purposes of sym metry, letâs now move on to the most common variant of syn- , or sym- , which also means âtogether.â A sym phony is the sounding âtogetherâ of many instruments.
Similar posts. 1  Latin root flor and Greek root chlor. 2  Greek root syn means with, together. 3  Greek root word idio means private or... 4  Greek root phon means sound, speech. 5  ph, th, and ch â the backstory.