noun
unconstitutionality; unconstitutional
Refers to the state of being against the constitution, or an act/law that violates constitutional principles. Common in legal, political, and news discourse.
その法律は違憲と判断された。
The law was ruled unconstitutional.
違憲審査は裁判所の重要な役割だ。
Judicial review of constitutionality is an important role of the court.