Simple Definition of oligarch

from our Learner's Dictionary

oligarch

noun

ˈɑːləˌgɑɚk How to pronounce oligarch (audio)
plural oligarchs
somewhat formal : a person who belongs to a small group of people who govern or control a country, business, etc.

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“Oligarch.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/oligarch. Accessed 18 Jun. 2026.

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