tailspin

noun

The airplane went into a tailspin.

意味（1）

(aviation) The rapid, uncontrollable descent of an aircraft in a steep spiral.

The loss of the third engine threw the plane into a tailspin.

意味（2）

(figuratively) A severe mental or emotional collapse; emotional breakdown.

Just hours after leaving the institution, she suffered another tailspin.

意味（3）

(figuratively) Any sharp, sustained, often uncontrollable descent or decline.

The present stock tailspin proves bankruptcy is imminent.