dethrone
/dɪˈθrəʊn/verb
with obj.
1- remove (a ruler, especially a monarch) from power废黜（统治者, 尤指君主）。
1.1
- figurative remove from a position of authority or dominance〈喻〉使（从权威或优势地位）下台：
he dethroned the defending title-holder.
他击败了卫冕者。
派生词