Egomaniac

//iɡoʊˈmeɪniæk// noun

Definitions

Noun
  1. 1
    A person obsessed with their own (supposed) importance.

    "He's a raving egomaniac: all he ever talks about is himself and how important he is."

  2. 2
    an abnormally egotistical person wordnet

Etymology

From ego + -maniac.

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