Argue in protest (11)
I believe the answer is:
remonstrate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">argue in protest</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for remonstrate that I've seen before include "Object" , "Make a forcefully reproachful protest" , "Take exception to" , "Make a forceful protest" , "Take issue with" .)