• synonyms


or dy·ar·chy

noun, plural di·ar·chies.
  1. government in which power is vested in two rulers or authorities.
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Origin of diarchy

First recorded in 1825–35; di-1 + -archy
Related formsdi·ar·chi·al, di·ar·chic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for diarchy

Historical Examples

  • This diarchy was to hold for both the central and provincial governments.

    The New World of Islam

    Lothrop Stoddard

  • Diarchy, dī′ar-ki, n. a form of government in which two persons are jointly vested with supreme power—less correctly Dī′narchy.

  • The diarchy, however, as might have been expected, was found not to work very successfully in practice.


    Jacob Abbott

British Dictionary definitions for diarchy



noun plural -chies
  1. government by two states, individuals, etc
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Derived Formsdiarchic, diarchical, diarchal, dyarchic, dyarchical or dyarchal, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012