Unconstitutional

Un‐con′sti‐tu″tion‐al (?), 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. Burke. — Un‐con′sti‐tu″tion‐al″i‐ty (#), n. — Un‐con′sti‐tu″tion‐al–ly (#), adv.