Lacking contact with others (7)
I believe the answer is:
insular
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lacking contact with others</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for insular that I've seen before include "Surrounded by water - narrow - prejudiced" , "Parochial" , "Narrowly restricted in outlook or scope" , "Blinkered" , "Lacking contact with others" .)