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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 unsettled disputes in Libya's new government have created a diarchy, in which powers are shared by the elected parliament and Prime Minister Abdullah al-Thani on one side, and by the pro-Islamic General National Congress and its self-proclaimed Prime Minister Omar al-Hasi on another.
The last 65 years have been a period of splintering, marked by a four-way contest for control among Turkey; Iran and its affiliates; the Sunni combine; and the Israeli-American diarchy and its affiliates.
He also suggested the withdrawal of proposals that undermine democratic principles, introduce diarchy in governance and endanger the physical and national survival of Cypriot Hellenism.
In fact, a kind of diarchy in these ministries has been in place for long causing severe damage to their proper functioning.
Relations among States are governed both by the nature of states and that of diarchy society.
A defocused approach where the lead player in the diarchy -- UPA chairperson Sonia Gandhi -- dictated terms viz policy making, saw the government go deeper and deeper into its erstwhile socialist moorings.
Implicit in this observation was the question of whether the army, the other pillar of the diarchy, had been taken on board before he had sounded off on his plans for the future.
Since 2003, this association has militated for the instauration of a 'National Orthodox State', governed by a diarchy composed of a lay President and of the Orthodox Patriarch.
97) Generally he thinks that these systems, to be viable, must have structures, institutions, and languages to support each of the two legal traditions respectively: a kind of legal diarchy.
If Pakistan has, at different points in its political evolution functioned (or malfunctioned) under a diarchy or a troika of power, from here on, power is likely to be redistributed among the different organs of state in accordance with the Constitution, in fact and not just in theory.
A very similar diarchy was formulated by Blake and Mouton (1982) in the Managerial Grid: 1) concern for people, and 2) concern for production.
Reasserting the notion of the diarchy meant defending the autonomy of the Church as a "spiritual authority," and as the "People of God.