• synonyms


or dy·ar·chy

See more synonyms for diarchy on Thesaurus.com
noun, plural di·ar·chies.
  1. government in which power is vested in two rulers or authorities.
Show More

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
Show More
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