Stand-offish (5)
I believe the answer is:
aloof
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">stand-offish</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for aloof that I've seen before include "Disinterested" , "Remote in manner" , "Standoffish like a fool" , "Indifferent - by oneself" , "reserved" .)