The antonyms for the word "more underaverage" include "above average," "exceptional," "superior," "excellent," "first-rate," "outstanding," "exemplary," "remarkable," "extraordinary," and "top-notch." These words describe things or people that are exceptional or exceptional in quality, performance, or ability. Using these antonyms will help you to convey a positive message about something or someone, rather than a negative one. So next time, instead of saying something is "more underaverage," try using one of these antonyms to describe it in a more positive light.