/ Dictionary / Index O oligarchy: Meaning and Definition of Find definitions for: ol•i•gar•chy Pronunciation: (ol'i-gär"kē), [key] — pl. -chies. a form of government in which all power is vested in a few persons or in a dominant class or clique; government by the few. a state or organization so ruled. the persons or class so ruling. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oligarchy (Thesaurus) oligarchic oligo- Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language