D defs.my
Entry 2 senses Webster, 1913

Egoist

· E·go·ist · IPA /ˈiːɡoʊ.ɪst/
01 n. One given overmuch to egoism or thoughts of self.
  1. 1.
    One given overmuch to egoism or thoughts of self.
    “I, dullard egoist, taking no special recognition of such nobleness.” Carlyle.
  2. 2.
    A believer in egoism.(Philos.)