immutable[adjective]Synonyms: inflexible, constant, fixed, immovable, inalterable, invariable, unalterable, unchangeable, unmodifiable, unmovable
Antonyms: mutable
[TahlilGaran] English Synonym Dictionary ▲
im‧mu‧ta‧ble /ɪˈmjuːtəb
əl/
adjective formal never changing or impossible to change:
This decision should not be seen as immutable.—immutably adverb—immutability /ɪˌmjuːtəˈbɪləti, ɪˌmjuːtəˈbɪlɪti/
noun [uncountable] [TahlilGaran] Dictionary of Contemporary English ▲