Whatsoever (2,3)

I think it could be either:

Which length description are you looking for?:

2,3

at all

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

This is all the clue.

(Other definitions for at all that I've seen before include "in any circumstances" , "in any way" , "Whatsoever" .)

I've seen this clue in the Universal.

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.