Slight possibility (3,6)

I think it could be either:

Which length description are you looking for?:

3,6

off chance

'slight possibility' is the definition.
(I've seen this in another clue)

This is all the clue.

(Other definitions for off chance that I've seen before include "Not much likelihood" , "Vague possibility" , "Just a slight possibility" , "Remote possibility" .)

I've seen this clue in The Mirror.

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.