Running; leaving (5)
I believe the answer is:
going
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">running</span>' is the first definition.<br/ ><span class="explanation-format__explanation">('go' can be a synonym of 'run')</span><br/ ><br/ >'<span class="explanation-format__original">leaving</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for going that I've seen before include "repeated as sale nears completion" , "Condition, of course" , "Moving away, departing" , "Ground condition for horse racing" , "Progress" .)