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1.
Government ruled by aliens.
FRED: Hey Bob... We are being ruled by Aliens!
BOB: HOLY CRAP! We must be in a xenocracy!
by the-seth September 28, 2006
 
2.
a condition in which a country is ruled over by foreigners or foreign forces.
Before independence, India was living under xenocracy. At the time, the British were ruling over the country.
by uttam maharjan March 25, 2012