Passable, at best (3)

I think it could be either:

Which length description are you looking for?:

meh

(Other definitions for meh that I've seen before include "am I bovvered?" , "expression of indifference" , "Not much cop" , "Who cares" , "Unexciting (modern slang)" .)

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.