Opposite of peace (3)
I believe the answer is:
war
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">opposite of peace</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know this)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for war that I've seen before include "Combat" , "Sustained conflict" , "State of armed conflict" , "Fight" , "State of armed struggle" .)