immutability

noun
UK /ɪˌmjuːtəˈbɪləti/
US /ɪˌmjuːtəˈbɪləti/

The quality of never changing and always staying the same.

The immutability of the stars amazed the young astronomer.

SYNONYMS

unchangingnessconstancypermanencefixednessstability

RELATED WORDS

immutablechangepermanenceconstancyfixed

OTHER MEANINGS

2. In computing, the state of data that cannot be altered after it is created.

The immutability of blockchain records makes them hard to tamper with.

3. In philosophy, the property of being unchangeable over time.

Philosophers debated the immutability of divine nature.

4. The quality of being firm and not changing one's mind.

Her immutability on the issue surprised her friends.