From Longman Dictionary of Contemporary Englishegotiste‧go‧tist /ˈiːɡətəst, ˈeɡ-/ noun [countable] someone who likes to talk about how great and important they think they are —egotistic /ˌiːɡəˈtɪstɪk◂, ˌeɡ-/ adjective
Examples from the Corpus
egotist• Any man that thinks civilization had advanced is an egotist.• Luckily none of us are massive egotists, we're down-to-earth people, really.• Pascoe thought, only a real performer would bother with a grace-note like that; only a real egotist.• Give any young egotist two shots of dope and an automatic and he will hold up the government mint. 