Strong restless desire (4)

I think it could be either:

itch

urge

'strong restless desire' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for urge that I've seen before include "Plead" , "Constrain" , "Advise strongly to press forward" , "Press to take action" , "Persuade - proclivity" .)

I've seen this clue in The Guardian.

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