At a distance; standoffish (5)
I believe the answer is:
aloof
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">at a distance</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">standoffish</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for aloof that I've seen before include "Snooty" , "Cool, distant" , "Displaying supercilious reserve" , "Showing detached attitude" , "Unapproachable, distant" .)