Compulsive desire (4)
I believe the answer is:
itch
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">compulsive desire</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for itch that I've seen before include "Strong desire to do something" , "great desire" , "Impatient desire (colloq.)" , "Niggling skin sensation" , "Long" .)