immutable

adjective/ɪˈmjuːtəbəl/

Frequency rank: #15,014 of 20,003 in the WORDED list (wordfreq data)

Meaning

Unchanging over time; unable to be altered.

Illustration for the English word “immutable”

Example sentence

The laws of mathematics are immutable, and no experiment can change them.

Synonyms & related words

More words in ranks 15,001–15,100