tailspin /ˈteɪlˌspɪn/ noun Learner's definition of TAILSPIN
[singular]
1
: a condition in which an airplane is falling rapidly while turning around and around（飞机坠落时的）尾旋，尾螺旋 2
: a state in which something quickly becomes much worse局势恶化；失控；混乱 -
Stock prices are in a tailspin.股票暴跌。
-
The team went into a tailspin and lost six straight games.这支队一路下滑，连输六场比赛。
-
The news of his death sent her into a tailspin. [=caused her to become very unhappy, to lose control of her life, etc.]他去世的消息让她崩溃。