immutable
adjective/ɪˈmjuːtəbl/
/ɪˈmjuːtəbl/
(formal)- that cannot be changed; that will never change synonym unchangeable
- This decision should not be seen as immutable.
Oxford Collocations DictionaryImmutable is used with these nouns:- truth
Word Originlate Middle English: from Latin immutabilis, from in- ‘not’ + mutabilis, from mutare ‘to change’.Want to learn more?
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immutable