autocracy

 
Pronunciation: /ɔːˈtɒkrəsi/

noun (plural autocracies)

[mass noun]
  • a system of government by one person with absolute power.
  • [count noun] a state or society governed by one person with absolute power: the Grand Duchy of Tuscany was an autocracy
  • domineering rule or control: a boss who shifts between autocracy and consultation

Origin:

mid 17th century (in the sense 'autonomy'): from Greek autokrateia, from autokratēs (see autocrat)