Superstate (noun)

1. A powerful and centralized political entity that has a dominant position over other states.
2. A hypothetical state with a powerful and centralized government that has a dominant position over other states, or a state that is considered to be superior to other states in some way.

Origin:

20th century, from super- + state.

Examples:

1. Some argue that the European Union is becoming a superstate, with an increasingly centralized government and growing power over member states.
2. The term superstate has been used to describe the United States and its global power and influence.
3. The country's leaders envisioned the creation of a superstate that would be able to compete with other world powers.
4. In the dystopian novel, the world was ruled by a small number of superstates, each vying for power and control.
5. The idea of a superstate is often associated with authoritarian or totalitarian forms of government.