superstate

[soo-per-steyt]
noun
  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.

Origin of superstate

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for superstate

superstate

noun
  1. a large state, esp created from a federation of states
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012