/ ˈɔːtəkræt; NAmE / noun
1.
a ruler who has complete power
SYN despot
2.
a person who expects to be obeyed by other people and does not care about their opinions or feelings
► auto·crat·ic / ˌɔːtəˈkrætɪk; NAmE / adjective :
an autocratic manager
► auto·crat·ic·al·ly / -kli; NAmE / adverb
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WORD ORIGIN
early 19th cent.: from French autocrate , from Greek autokratēs , from autos self + kratos power.