Rusty (8)
I believe the answer is:
corroded
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">rusty</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for corroded that I've seen before include "Eaten away chemically" , "with holes in?" , "like an old banger?" , "Rusted" .)