IPA: /ˌoʊlɪˈɡɑrkɪkəl/
KK: /ˌoʊlɪˈɡɑrkɪkəl/
Relating to or characteristic of an oligarchy, which is a form of government where a small group of people hold power.
The country's political system is oligarchical, with a few wealthy families controlling most of the resources.
Oligarchical → It is formed from "oligarchia" (from Greek "oligos", meaning few, and "archia", meaning rule or government). The word describes a form of government where power is held by a small number of people.
Think of 'few' ('oligos') ruling ('archia') — that's why oligarchical refers to a system where a small group holds power.