The Open Dictionary

oligarch

noun

UK/ˈɒl.ɪ.ɡɑː.k/
US/ˈɑː.lɪ.ɡɑːrk/

Definitions of oligarch noun

  1. Countablepoliticsspecialized

    A member of a small group of powerful people who control a country or organization.

    • These oligarchs use their wealth and power to influence political decisions.

    • The country's economy is controlled by a small group of oligarchs.

    • Many consider the company's board members to be oligarchs.