overeat UK /ˌəʊvə(ɹ)ˈiːt/US /ˌoʊvɚˈit/ verb3 •To eat too much. •To eat too much of.Overeat meat and you will not be flipping the genetic switches to grow a new body; instead, you will be opting for an early death even as you tone and strengthen your muscles. — 2019 •[with oneself] (old-fashioned) To surfeit with eating.Mr. Nollekens, when he dined out of late years, always over-ate himself, particularly with the pastry and dessert. — 1828 formsoverate · overeaten · overeating · overeats