Abundant in supply (7)
I believe the answer is:
copious
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">abundant in supply</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 copious that I've seen before include "Ample" , "good measure" , "Large in number or quantity" , "great supply?" , "Plentiful, existing in large amounts" .)