Immutable
/ɪˈmjuː.tə.bəl/
Synonyms
- constant
- fixed
- indelible
- unchanging
- unchangeable
Slang Meanings
Something that is considered set in stone.
That rule is just immutable, everyone knows it.
Used to describe a person who cannot be swayed or changed.
He's got an immutable opinion on that matter, no point in arguing.