Bitter denunciation (8)
I believe the answer is:
diatribe
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bitter denunciation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for diatribe that I've seen before include "A prolonged tirade or abusive speech" , "Stream of invective" , "Passionate words" , "Bitter words" , "provoking verbal onslaught" .)