dump² n [C] 1 a place where unwanted waste is taken and left 垃圾场: the town's main rubbish dump 镇上的主要垃圾场 2informal a place that is unpleasant because it is dirty, ugly, or boring 【非正式】 脏乱的地方: This town's a real dump. 这个城镇简直是个垃圾场。 3 be down in the dumpsinformal to feel very unhappy 【非正式】 极不开心,非常难受