Question closely (11)
I believe the answer is:
interrogate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">question closely</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 interrogate that I've seen before include "Question closely" , "Ask questions of (someone)" , "Cross-examine" , "Formally question" .)