supernational

adjective
su·​per·​na·​tion·​al | \ ˌsü-pər-ˈnash-nəl How to pronounce supernational (audio) , -ˈna-shə-nᵊl\

Definition of supernational

: affecting or having jurisdiction over more than one nation : transcending national boundaries, authority, or interests a supernational bank/organization … promoting a more flexible and varied European Union—intergovernmental rather than supernational— John O'Sullivan

First Known Use of supernational

1839, in the meaning defined above

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