a severe flood; a sudden very heavy fall of rain 暴雨；大雨；洪水 When the snow melts, the mountain stream becomes a deluge. 雪融化時，山間溪流變成山洪暴發。 The earlier deluge had given way to more normal rain. 先前的暴雨已減弱爲一般的降水。 An unseasonable deluge had washed away a section of river bank. 一場不合時宜的洪水沖走了一段河岸。
a large number of things that happen or arrive at the same time 湧現的事物；蜂擁而至的事物 a deluge of calls/complaints/letters 接連不斷的電話；沒完沒了的投訴；紛至沓來的信件 The firm was at a loss to explain the sudden deluge of publicity. 公司不知道如何解釋突然泛濫的宣傳。
Word Originlate Middle English: from Old French, variant of diluve, from Latin diluvium, from diluere ‘wash away’.