Sore or painful (6)
I believe the answer is:
tender
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">sore</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">painful</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for tender that I've seen before include "facility for steam train" , "Delicate sort of bid" , "One who cares" , "Bid; kindly" , "Gentle, sympathetic" .)