Bogged down (5)
I believe the answer is:
mired
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">bogged down</span>' is the definition.<br/ ><span class="explanation-format__explanation">('mire' can be a synonym of 'bog down')</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for mired that I've seen before include "covered in muck" , "Bogged down" , "Sunk in deep mud" , "Stuck in the mud" .)