egotistical /ˌi.ɡoʊˈtɪs.tɪk.(ə)l/ adjective3 •Believing oneself to be better and more important than others due to one's position, popularity, wealth, appearance, etc. •Tending to talk excessively about oneself. •(nonstandard) Egoistical (advocating egoism). formsmore egotistical · most egotistical