合ごう憲けん性せいごうけんせいMeanings1nounconstitutionalityLegal term referring to whether a law, action, or policy is in accordance with the constitution.最さい高こう裁さい判ばん所しょはその法ほう律りつの合ごう憲けん性せいを判はん断だんした。The Supreme Court judged the constitutionality of that law.