diarchy.
Rule by two people.
Meaning & usage
Rule by two people.
Djokovic finally cracked the Federer-Nadal diarchy in 2010.
A state under the rule of two people; the form of government of such state.
Swaziland is an absolute diarchy, ruled jointly by a king and a queen mother.
Where this word comes from
From di- + -archy. Modelled after monarchy.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.