supranational

[soo-pruh-nash-uh-nl]
adjective
  1. outside or beyond the authority of one national government, as a project or policy that is planned and controlled by a group of nations.

Origin of supranational

First recorded in 1905–10; supra- + national
Related formssu·pra·na·tion·al·ism, nounsu·pra·na·tion·al·i·ty, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for supra-nationalism

supranational

adjective
  1. beyond the authority or jurisdiction of one national governmentthe supranational institutions of the EU
Derived Formssupranationalism, nounsupranationally, adverb
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

Word Origin and History for supra-nationalism
n.

also supranationalism, 1901, from supranational + -ism.

Online Etymology Dictionary, © 2010 Douglas Harper