Corroded (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">corroded</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rusty that I've seen before include "Oxidised, corroded" , "(Of iron) corroded" , "Stiff with age" , "Antiquated" , "affected by inactivity" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">corroded</span>' is the definition.<br/ ><span class="explanation-format__explanation">('rust' can be a synonym of 'corrode')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for rusted that I've seen before include "Corroded" , "(Of iron) oxidised" .)