Inexactly (11)
I believe the answer is:
imprecisely
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">inexactly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for imprecisely that I've seen before include "Without accuracy" , "Vaguely" , "In a manner that lacks accuracy" .)