conceited
🇺🇸
/kənˈsiːtɪd/
🇬🇧
/kənˈsiːtɪd/
thinking too highly of oneself
He was so conceited that he believed no one could do the job better than him.
그는 너무 자만심이 강해서 아무도 자신보다 그 일을 더 잘할 수 없다고 믿었다.