Dethrone (5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dethrone</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 usurp that I've seen before include "Seize wrongfully" , "Dethrone" , "Appropriate without authority" , "Commandeer" , "Wrongfully assume" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">dethrone</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for unseat that I've seen before include "Remove from power" , "Remove from horse (or house?)" , "Throw (as a 15?)" , "Cause to fall from the saddle" , "Get out of office" .)