Emotionally distant (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">emotionally distant</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for aloof that I've seen before include "Withdrawn, distant" , "Blood deficiency" , "Showing detached attitude" , "Remote, distant" , "rather cold" .)
(Other definitions for cold that I've seen before include "Unfriendly" , "Chilly; unemotional" , "Biting" , "Common ailment" , "Stand-offish" .)