ego C1

/ˈiɡo/ A person's sense of their own importance or value.

egotistic C2+

/ˌiɡəˈtɪstɪk/ excessively self-centered or conceited

egocentric C2+

/ˌiɡoʊˈsɛntrɪk/ thinking only of oneself; self-centered

egoistical C2+

/ˌiɡoʊˈɪstɪkəl/ excessively concerned with one's own interests; selfish

egotistical C2+

/ˌiɡoʊˈtɪstɪkəl/ excessively conceited or self-important