Complete stop (10)
I believe the answer is:
standstill
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">complete stop</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 standstill that I've seen before include "arrest" , "complete halt" , "negation of motion" , "Situation without movement or activity" , "lack of movement" .)