Grapple (7)
I believe the answer is:
wrestle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">grapple</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for wrestle that I've seen before include "Struggle, grapple" , "Fight - get to grips (with)" , "Grapple on canvas" , "Struggle physically or mentally" , "Fight; struggle" .)