Pronunciation change

  • (US) IPA (key): /ˈoʊlɪˌɡɑrk/ or /ˈɑlɪˌɡɑrk/
  • (file)

Noun change

Singular
oligarch

Plural
oligarchs

  1. (countable) A oligarch is a person who is part of a small group that runs a country.
  2. (countable) A oligarch is a very rich person who has a great political influence.