Dense; agreement (7)
I believe the answer is:
compact
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">dense</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">agreement</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(compact can mean an agreement)</span><br/ ><br/ ></span>
(Other definitions for compact that I've seen before include "The powder-box is closely packed" , "Mutual agreement" , "it could be in the bag" , "Dense; formal contract" , "Dense; agreement" .)