Worn, threadbare (6)
I believe the answer is:
shabby
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">worn</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">threadbare</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for shabby that I've seen before include "Old and worn - mean" , "Worn and dirty; mean" , "Run down" , "Old and threadbare" , "Seedy and rundown" .)