1 [I,T] to die in water because it is not possible to breathe; to make sb die in this way （使）溺死: The girl fell into the river and drowned. 女孩掉到河里溺死了。Twenty people were drowned in the floods. 洪水淹死了二十个人。

2 [T] drown sb/sth (out) (used about a sound) to be so loud that you cannot hear sb/sth else （指声音）盖过: His answer was drowned out by the music. 他的回答淹没在乐声之中。