국가의 헌법이나 정해진 법적 절차 및 원칙에 어긋나는.
Not permitted by or consistent with the principles of a national constitution or established procedural rules.
예문:
"The high court struck down the legislation, declaring it unconstitutional."
"Many legal experts argue that the newly proposed surveillance law is unconstitutional."
"The government's decision to restrict free speech was eventually ruled unconstitutional."