Geeklike (5)
I believe the answer is:
nerdy
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">geeklike</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for nerdy that I've seen before include "Bright but socially inept" , "obsessive" , "Geeky" , "Boringly studious" .)