Diarchy

//ˈdaɪ.ɑɹ.ki// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Rule by two people. countable, uncountable

    "Djokovic finally cracked the Federer-Nadal diarchy in 2010."

  2. 2
    a form of government having two joint rulers wordnet
  3. 3
    A state under the rule of two people; the form of government of such state. countable, uncountable

    "Swaziland is an absolute diarchy, ruled jointly by a king and a queen mother."

Synonyms

All synonyms
biarchyduumviratedyarchygovernmenttandemocracy

Example

More examples

"Djokovic finally cracked the Federer-Nadal diarchy in 2010."

Etymology

From di- + -archy. Modelled after monarchy.

Related phrases

Gelasian diarchy

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.