Heartfelt request (6)

I think it could be either:

Which length description are you looking for?:

appeal

'heartfelt request' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for appeal that I've seen before include "Howzat!" , "Submit case to higher court for review" , "Bring case to higher court for adjudication" , "Entreat, plead" , "Heartfelt request -- attraction" .)

I've seen this clue in the USA Today, The Times, The Sun and The Telegraph.

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