Questioned relentlessly (7)
I believe the answer is:
grilled
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">questioned relentlessly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for grilled that I've seen before include "Subjected to intense questioning" , "Cooked - cross-examined" , "Cooked under a flame" , "Cooked under flames" , "Cooked; interrogated" .)