Lavish, wasteful (11)
I believe the answer is:
extravagant
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">lavish</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">wasteful</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for extravagant that I've seen before include "Ostentatious" , "wild" , "Prodigal" , "Wasteful; excessive" , "Excessive - spendthrift" .)