Languid and ineffectual (13)
I believe the answer is:
lackadaisical
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">languid and ineffectual</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for lackadaisical that I've seen before include "Half-hearted" , "Lethargic" , "Wanting enthusiasm" , "Languid and ineffectual" , "Indolent" .)