Petty, intolerant (6-6)
I believe the answer is:
narrow-minded
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">petty</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ >'<span class="explanation-format__original">intolerant</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for narrow-minded that I've seen before include "Illiberal in attitude - modern Darwin (anag)" , "Prejudiced; intolerant" , "Having a blinkered viewpoint" , "As a bigot" , "Bigoted and prejudiced" .)