Endure or survive (6)
I believe the answer is:
remain
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">endure</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">survive</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 remain that I've seen before include "stop behind?" , "Continue in position" , "Stay, don't go" , "Old dance" , "Stay on after others have gone" .)