Dizzying decline

I believe the answer is:

tailspin

(Other definitions for tailspin that I've seen before include "awful state" , "Chaotic situation" , "Spiral dive of aircraft in trouble" , "confused state" , "Spiral aeroplane dive" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.