Industrial dispute (6)
I believe the answer is:
strike
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">industrial dispute</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that strike is a type of industrial dispute)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for strike that I've seen before include "Deliver a blow" , "Hit sharply" , "Withdraw labour in industrial dispute" , "Hit the labour withdrawal" , "Industrial dispute - it's a blow" .)