Spend wastefully (8)
I believe the answer is:
squander
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">spend wastefully</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for squander that I've seen before include "Misspend" , "Use up wastefully" , "Dissipate" , "Blue" , "Fritter away, waste" .)