Down-at-the-heels (5)
I believe the answer is:
seedy
'down-at-the-heels' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for seedy that I've seen before include "Dilapidated" , "Grotty" , "Sordid and disreputable" , "Down-at-heel" , "sickly" .)