comer /ˈkʌmɚ/noun 3forms 1phrases 1 noun3 •One who arrives.The champ will face all comers. •One in a race who is catching up to others and shows promise of winning. •(figurative) An ambitious person; one who is catching up in some contest and has a likelihood of victory;This guy is is a real comer. — 1980 formscomers Phrases with comer up-and-comerSomeone who is up-and-coming, who has begun to be successful in some field and is likely to be even more successful in the future.