Wide open, chasmic (7)

I believe the answer is:

yawning

(Other definitions for yawning that I've seen before include "Wide open (as chasm)" , "Bored" , "showing sign of fatigue?" , "Displaying tiredness" , "Gaping wide open" .)

I've seen this clue in The 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.