Becoming more distant (8)
I believe the answer is:
receding
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">becoming more distant</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 receding that I've seen before include "Going back or retreating - like hairline?" , "In retreat" , "Becoming more distant" , "Withdrawing" .)