potentate
noun [ C ] literary uk/ˈpəʊ.tən.teɪt/ us/ˈpoʊ.t̬ən.teɪt/
权力大的统治者;（尤指不受议会等约束的）君主
a ruler who has a lot of power, especially one whose power is not limited, for example by the existence of a parliament
Compare: dictator
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