Meaning of the word immutable in English

What does immutable mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

immutable

US /ɪˈmjuː.t̬ə.bəl/
UK /ɪˈmjuː.tə.bəl/

Adjective

unchanging over time or unable to be changed

Example:
The laws of physics are considered immutable.
His decision was immutable, and no one could persuade him otherwise.