Declamation (6)
I believe the answer is:
tirade
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">declamation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tirade that I've seen before include "Torrent of abuse" , "Flow of invective" , "A long abusive denunciation" , "Broadside of denunciation" , "Verbal outburst" .)