Fill with fear (7)
I believe the answer is:
terrify
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fill with fear</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 terrify that I've seen before include "Get scared" , "Strike fear in (someone)" , "Fill with fear" , "Scare badly" , "Make extremely fearful" .)