Oppression; despotism (7)
I believe the answer is:
tyranny
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">oppression</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">despotism</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that despotism can be written as tyranny)</span><br/ ><br/ ></span>
(Other definitions for tyranny that I've seen before include "Form of despotism" , "Cruel and oppressive rule" , "Cruel government" , "Despotic rule" , "Cruel rulers" .)