Hurt badly (4)
I believe the answer is:
maim
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hurt badly</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for maim that I've seen before include "Hurt badly" , "Injure or harm severely" , "Injure seriously, leaving permanent damage" , "Wound and cripple" , "Injure (a person), causing permanent disability" .)