egoist
1. [ noun ] a conceited and self-centered person
Synonyms: egotist swellhead
Related terms: unpleasant_person exhibitionist popinjay know-it-all megalomaniac miles_gloriosus egomaniac blowhard sciolist braggart
2. [ noun ] a self-centered person with little regard for others
Synonyms: egocentric
Related terms: selfish_person
Similar spelling:   egoistic
  egest