Gives up — leaves (5)
I believe the answer is:
quits
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">gives up</span>' is the first definition.<br/ ><span class="explanation-format__explanation">('quit' can be a synonym of 'give up')</span><br/ ><br/ >'<span class="explanation-format__original">leaves</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(quitting is a kind of leaving)</span><br/ ><br/ ></span>
(Other definitions for quits that I've seen before include "Even - leaves" , "Abandons" , "On even terms again" , "Leaves - all square" , "On equal terms" .)