Attempting (6)
I believe the answer is:
trying
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">attempting</span>' is the definition.<br/ ><span class="explanation-format__explanation">('try' can be a synonym of 'attempt')</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for trying that I've seen before include "Aggravating" , "activity in court?" , "Difficult - hearing" , "Essaying" , "Doing one's best - annoying!" .)