arch, -archic, -archical, -archism, -archist, -archy

(Greek: govern, rule; ruler, chief [first in position])

In early use, a sole and absolute ruler of a state. In modern use, a sovereign bearing the title of king, queen, emperor, or empress, or the equivalent of one of these.
Of, pertaining to, or of the nature of a monarchy; that is under the dominion of a monarch.
1. Of a government that has the characteristics of a monarchy.

Now rare; usually replaced by monarchical.

2. Of or belonging to a monarchy.
3. Referring to, pertaining to, or favoring monarchy as a form of government.
1. Of the nature of or having the characteristics of a monarchy (king, queen, etc.); especially, of a government, vested in a monarch.
2. Of or pertaining to a monarchy; consisting of advocates of monarchy as a form of government.
3. Having the power or functions of a monarch; having undivided rule; autocratic.
The principles of monarchical government; attachment to monarchy or the monarchical principle.
1. Undivided rule by a single person; sole rule or sovereignty; absolute power.
2. A state having a form of government in which the supreme power is vested in a single person. Formerly, also, a nation or state having dominating power over all other states.
myriarch (s) (noun), myriarchs
A captain, or commander, of ten thousand men.
myriarchy (s) (noun), myriarchies (pl)
Government ruled by ten thousand rulers.
The commander of a fleet; an admiral.
A province, or department, in modern Greece.
A government by eight rulers; an aggregate of eight tribal or petty kingdoms each under its own ruler: applied by some historians (instead of heptarchy) to the eight kingdoms reckoned by them to have been established by the Angles and Saxons in Britain.
oligarch (s) (noun), oligarchs (pl)
A member of a small number of those who are governing a country.
oligarchic (adjective), more oligarchic, most oligarchic
Of, pertaining to, or of the nature of a small governmental organization.
oligarchy (s) (noun), oligarchies (pl)
A form of government in which the power is confined to a small group of people or families; also, the body of persons composing such a government.
A ruler of all things.