- not authorized by or based on a constitution; beyond the provisions of a constitution.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for extraconstitutional
It might be extraconstitutional, but its decrees could be made binding in this particular case by consent of all concerned.Letters and Literary Memorials of Samuel J. Tilden, v. 2
Samuel J. Tilden
There were appropriate forms for extraconstitutional action, just as for constitutional.
He called together an extraconstitutional body of his supporters, known as the Political Council.