Definitions for "Unconstitutional"
Not constitutional; not according to, or consistent with, the terms of a constitution of government; contrary to the constitution; as, an unconstitutional law, or act of an officer.
Forbidden by the Constitution of the United States or by a state constitution.
A law (or any government action) which is contrary to what is allowed by the U.S. Constitution; therefore, the law or action may no longer apply.