Heated argument (11)
I believe the answer is:
altercation
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">heated argument</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 altercation that I've seen before include "One's argued" , "difference" , "Spat" , "Noisy quarrel" , "Noisy disagreement" .)