Very stupid or foolish (7)
I believe the answer is:
asinine
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">very stupid</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(very foolish)</span><br/ ><br/ >'<span class="explanation-format__original">foolish</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for asinine that I've seen before include "Foolish like donkey" , "Is Annie? (Anag)" , "In the nature of supposedly stupid animal" , "Extremely stupid or foolish" , "Senseless" .)