Definitions of autocratic:

• adjective:   relating to or of the nature of or having characteristics of an autocracy

  Example: "An autocratic government"

• adjective:   offensively self-assured or given to exercising usually unwarranted power

  Example: "An autocratic person"

• adjective:   of the nature of or relating to an autocrat

  Example: "An autocratic ruler"

• adjective:   characteristic of an absolute ruler or absolute rule; having absolute sovereignty

  Example: "Autocratic government"