Form of government without a monarch (8)
I believe the answer is:
republic
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">form of government without a monarch</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 republic that I've seen before include "Form of government without a monarch" , "Commonwealth" , "Political system of government by the people" , "Country in which supreme power is held by the people" , "Type of state" .)