treasonable
🇺🇸
/ˈtriːzənəbl/
🇬🇧
/ˈtriːzənəbl/
disloyal or betraying one's country, punishable by law
He was accused of committing a treasonable act by sharing classified information with the enemy.
그는 적과 기밀 정보를 공유하여 반역 행위를 저질렀다며 고소당했다.