Ensign (4)

I think it could be either:

Which length description are you looking for?:

flag

'ensign' is the definition.
(synonyms)

This is all the clue.

(Other definitions for flag that I've seen before include "Become limp" , "appears to grow languid" , "Emblem - iris - wilt" , "appearing to decline" , "Standard - paving-stone" .)

I've seen this clue in the Evening Standard, the Sydney Morning Herald and The Mirror.

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