Abrupt, terse (4)
I believe the answer is:
curt
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">abrupt</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">terse</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for curt that I've seen before include "Brusque, short" , "Rude" , "Dismissively short" , "Brief, dismissive" , "Shrub with bright autumn colours" .)