vanish /ˈvæniʃ/ vi. 1.突然不见，消失：vanish from sight 消失不见 The sun vanishes behind a cloud. 太阳消失在云后。2.逐渐消散，消灭：Many kinds of animals have vanished from the earth. 许多种动物在地球上已绝迹。

［辨析］见disappear