unchangeable
🇺🇸
/ʌnˈtʃeɪndʒəbl/
🇬🇧
/ʌnˈtʃeɪndʒəbl/
Something that cannot be altered or modified in any way.
The unchangeable nature of the contract made us nervous.
계약서의 변경 불가능한 특성은 우리를 불안하게 했습니다.