Laconic (5)
I believe the answer is:
terse
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">laconic</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that laconic can be written as terse)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for terse that I've seen before include "Trees (anag.)" , "Using few words" , "Short and succinct" , "Pithy and concise" , "Short and sharp" .)