Line up (5)

I think it could be either:

Which length description are you looking for?:

3,2,1,4

align

'line up' is the definition.
(synonyms)

This is all the clue.

(Other definitions for align that I've seen before include "Straighten in relation to others" , "Regulate, arrange in line" , "Set in order" , "Put in order" , "Arrange so as to be parallel" .)

I've seen this clue in the Evening Standard, The Times and The Telegraph.

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.