Definition of hegemon
: something (such as a political state) having dominant influence or authority over others : one possessing hegemony These were the periods in which England and then America filled the role of hegemon … — Robert Heilbroner The American self-image of a mighty power that is also a benign hegemon, the global custodian of democratic values and human rights, is deeply rooted. — Allister Sparks
Origin and Etymology of hegemon
First Known Use: 1904
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