Showing signs of use (4)
I believe the answer is:
worn
'showing signs of use' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for worn that I've seen before include "Sported on the body" , "Second-hand" , "Threadbare" , "Hackneyed, trite" , "Looking tired and exhausted" .)