immutability.

The condition of being unable to change or be changed.

Use it for

Words that belong together

• immutability of a rule
• apparent immutability

On the page

The reform challenged the supposed immutability of the arrangement.

Usage notes

Primary category: academic / formal. Forms: Usually uncountable; no ordinary plural in this sense. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: analysis, explanation. Commonness: moderately common.