What is another word for immutable?
Pronunciation: [ɪmjˈuːtəbə͡l] (IPA) 
The word immutable means unchanging, constant, or steadfast. Some synonyms for immutable include permanent, fixed, enduring, rigid, inflexible, unalterable, and unwavering. These words all convey the idea of something that cannot be changed or altered, remaining the same over time. Other synonyms for immutable include constant, reliable, and stable. Some antonyms or opposite words for immutable include mutable, changeable, and adaptable. In general, immutable refers to something that is set in stone and cannot be altered or modified in any way. It is often used to describe fundamental principles, laws of nature, or basic human rights.
