Not learned (6)
I believe the answer is:
innate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">not learned</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for innate that I've seen before include "native" , "Inborn in neat way" , "Inherent or inborn" , "Inherent, natural" , "'Inborn, not learned (6)'" .)