Cure, make better (4)
I believe the answer is:
heal
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">cure</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know that cure can be written as heal)</span><br/ ><br/ >'<span class="explanation-format__original">make better</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for heal that I've seen before include "Cure, make well" , "Make better" , "remedy" , "Get well again" , "Get healthy again" .)