Unrepresentative (8)
I believe the answer is:
atypical
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unrepresentative</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for atypical that I've seen before include "Not as expected" , "Odd" , "Not conforming to a norm or average" , "Not conforming to a type" , "Not normal" .)