Most tardy (6)

I think it could be either:

Which length description are you looking for?:

latest

'most tardy' is the definition.
('late' can be a synonym of 'tardy')

This is the entire clue.

(Other definitions for latest that I've seen before include "style of today" , "Most recent (news)" , "most behind time" , "Most recent or most tardy" , "Most up to the minute" .)

I've seen this clue in The Times and 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.