Definition of oligarchy noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈɒlɪɡɑːki//
    ; NAmE NAmE//ˈɑːləɡɑːrki//
    (pl. oligarchies)
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  1. 1[uncountable] a form of government in which only a small group of people hold all the power
  2. 2[countable + singular or plural verb] the people who hold power in an oligarchy
  3. 3[countable] a country governed by an oligarchy
  4. Word Originlate 15th cent.: from Greek oligarkhia, from oligoi ‘few’ and arkhein ‘to rule’.
See the Oxford Advanced American Dictionary entry: oligarchy