superstate: Meaning and Definition of

su•per•state

Pronunciation: (s'pur-stāt"), [key]
— n.
  1. a state or a governing power presiding over states subordinated to it.
  2. an extremely powerful centralized government maintaining close control or supervision over its member states and their inhabitants.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.