If you say that someone overeats, you mean they eat more than they need to or more than is healthy.
例句
If you tend to overeat because of depression, first take steps to recognize the source of your sadness.如果你常常因为沮丧而暴饮暴食,首先应该设法找到悲伤的原因。...people who overeat spicy foods.辛辣食品吃得过多的人
英英词典释义
Noun
1. eating to excess (personified as one of the deadly sins)