Unconstitutional a. : 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.

Example:


Taxonomy
law, constitution, government, Constitutionality, unconstitutional law, free encyclopedia, statute, government official, Constitutional law, national legislature, written constitution, Unconstitutional laws, The United States Constitution, acting, acts, constitutional, United States, controversial laws.

Defination from the web:
unconstitutional and declares it void in whole or in part. ... The general rule is that an unconstitutional statute, though having the form and the name of law, is in ...