Entangle; complicate (7)
I believe the answer is:
involve
<span class="explanation-format__ClueExplanation">This clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">entangle</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >'<span class="explanation-format__original">complicate</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ ></span>
(Other definitions for involve that I've seen before include "Consist of, or include" , "Rope in" , "Cause participation of (someone)" , "Concern" , "Embroil" .)