tailspin

syöksykierre The rapid, uncontrollable descent of an aircraft in a steep spiral.

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

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

The present stock tailspin proves bankruptcy is imminent.

St. Louis, the fourth-largest U.S. city in 1900, is fading fast(..). Jobs, and airline, an educated population—all gone or in a tailspin.