1N-UNCOUNT [usually with poss]至高无上;最大权力;霸权 If one group of people has supremacy over another group, they have more political or military power than the other group. 至高无上;最大权力;霸权 [Also + over]
The conservative old guard had re-established its political supremacy.
守旧的保守派已经重新掌控了政治大权。
The president has been able to assert his ultimate supremacy over the prime minister.