/dredʒ ||; drɛdʒ/verb [T] to clear the mud, etc from the bottom of a river, canal, etc using a special machine （用机器）疏浚（河流、运河等） dredge sth up to mention sth unpleasant from the past that sb would like to forget 提起令人不快的往事: The newspaper had dredged up all sorts of embarrassing details about her private life. 该报把她私生活中各种各样难堪的细节都抖搂出来了。