Lasts, survives (7)
I believe the answer is:
endures
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">lasts</span>' is the first definition.<br/ ><span class="explanation-format__explanation">('endure' can be a synonym of 'last')</span><br/ ><br/ >'<span class="explanation-format__original">survives</span>' is the second definition.<br/ ><span class="explanation-format__explanation">('endure' can be a synonym of 'survive')</span><br/ ><br/ ></span>
(Other definitions for endures that I've seen before include "Lasts or puts up with" , "Suffers or lasts" , "Remains firm" , "Ensured (anag.)" , "Bears" .)