Disputed (10)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">disputed</span>' is the definition.<br/ ><span class="explanation-format__explanation">('challenge' can be a synonym of 'dispute')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for debated that I've seen before include "Considered" , "Discussed in public" , "Discussed formally" , "Argued" , "Shared opinions" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">disputed</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 argued that I've seen before include "Disputed - . . . . . . the toss" , "Contended or debated" , "Quarrelled or debated" , "Disputed, opposed verbally" , "Bickered" .)