Abundant, copious (7)
I believe the answer is:
profuse
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">abundant</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">copious</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ ></span>
(Other definitions for profuse that I've seen before include "Plentiful, luxuriant" , "Liberal" , "Overflowing - excessive" , "Plentiful, generous" , "Copious" .)