Absent, on leave (3)
I believe the answer is:
off
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">absent</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">on leave</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for off that I've seen before include "Away, at a distance" , "away from the kerb" , "Not working - started" , "Fielding side" , "On holiday" .)