Crossword Genius

Permission to proceed (5)

Ross

I think it could be either:

Which length description are you looking for?:

5

3,5

all clear

'permission to proceed' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for all clear that I've seen before include "no doubts" , "Understood" , "thumbs up!" , "safety announcement" , "welcome sound" .)

I've seen this clue in The Mirror, The Daily Mail and the Evening Standard.
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