That which Is contrary to the constitution . The opposite of ” constitutional .” See State v. McCann. 4 Lea (Tenn.) 10; In re Rahrer (C. C.) 43 Fed. 558, 10 L. R. A. 444; Norton v. Shelby County, 118 U. S. 425, 6 S. Ct 1121, 30 L. Ed. 178.
Black’s Law Online Dictionary