Entry 1 sense Webster, 1913 Egotist /ēg'-ət-ĭst/ · E·go·tist · IPA /ˈiːɡətɪst/ 01 n. One addicted to egotism; one who speaks much of himself or magnifies his own achievements or affairs. 1. One addicted to egotism; one who speaks much of himself or magnifies his own achievements or affairs.