Exploited (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">exploited</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for used that I've seen before include "Exploited group" , "Second-hand; exploited" , "No longer new" , "Put to a purpose" , "Sued, having been employed" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">exploited</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Another definition for put-upon that I've seen is " Taken advantage of".)