Concise, short (5)
I believe the answer is:
brief
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">concise</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">short</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for brief that I've seen before include "Brusque - lawyer (slang)" , "put in the picture" , "Prime" , "Short or concise" , "Fibre (anag.)" .)