Flee, abscond (6)
I believe the answer is:
decamp
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">flee</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(decamping is a kind of fleeing)</span><br/ ><br/ >'<span class="explanation-format__original">abscond</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ ></span>
(Other definitions for decamp that I've seen before include "Fold up tent and depart" , "Leave suddenly" , "Run away (from responsibility)" , "Make off - from tent?" , "Make sudden breakaway" .)