Lasciviousness (9)
I believe the answer is:
prurience
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">lasciviousness</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that lasciviousness can be written as prurience)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for prurience that I've seen before include "Lust" , "Morbid interest in sex etc" , "Lewdness -- epic rerun (anag)" , "Salaciousness" , "Unhealthy interest in sex" .)