Vituperation (9)
I believe the answer is:
invective
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">vituperation</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that vituperation can be written as invective)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for invective that I've seen before include "abuse" , "Bad language" , "Abusive language" .)