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also dy·ar·chy (dī′är′kē)
n. pl. di·ar·chies also dy·ar·chies
Government by two joint rulers.


(ˈdaɪɑːkɪ) or


n, pl -chies
(Government, Politics & Diplomacy) government by two states, individuals, etc
diˈarchic, diˈarchical, diˈarchal, dyˈarchic, dyˈarchical, dyˈarchal adj


or dy•ar•chy

(ˈdaɪ ɑr ki)

n., pl. -chies.
a government in which power is vested in two rulers or authorities.

diarchy, dyarchy

a government controlled by two rulers; biarchy. — diarch, dyarch, n.
See also: Government
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diarchy - a form of government having two joint rulers
form of government, political system - the members of a social organization who are in power
References in periodicals archive ?
The NDA expresses its mounting concern over the state of the nation in the wake of the continuing misdeeds of this dyarchical leadership of Manmohan Singh and Sonia Gandhi, resulting in drift, gross maladministration and rampant corruption in the present UPA regime," Advani said after the NDA meeting.
Andrew does, however, allude to the move by New Zealand away from the dyarchical system introduced in 1971.
They often result in dyarchical systems of accounting and governance that may not lend themselves well to control and management.