superstate

[soo-per-steyt]

noun

a state or a governing power presiding over states subordinated to it.
an extremely powerful centralized government maintaining close control or supervision over its member states and their inhabitants.

Origin of superstate

super- + state

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

British Dictionary definitions for superstate

superstate

noun

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