Catastrophic situation (5)

I believe the answer is:

abyss

(Other definitions for abyss that I've seen before include "Bottomless pit" , "Very large and deep chasm" , "Primal chaos" , "depths of sea" , "gaping hole" .)

I've seen this clue in The Guardian.

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.