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Synonyms for Autocratic (same or very similar meaning)

WordNet sense 1 (offensively self-assured or given to exercising usually unwarranted power):
bossy, magisterial, peremptory, dominating, high-and-mighty

WordNet sense 2 (tending to domineer):

WordNet sense 3 (characteristic of an absolute ruler or absolute rule; having absolute sovereignty):
authoritarian, despotic, dictatorial, tyrannical

WordNet sense 4 (not in agreement with or according to democratic doctrine or practice or ideals):

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