Uneducated (8)
I believe the answer is:
ignorant
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">uneducated</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ignorant that I've seen before include "No rating (anag) - in the dark" , "Ill-educated" , "Lacking in or good manners" , "Discourteous" , "Poorly-educated" .)