noun🔗ShareSomething that cannot be changed.""Once the contract is signed, the agreed-upon price becomes unchangeable." "abstractthingChat with AIVocabulary GamePractice Reading
adjective🔗ShareNot changeable; incapable of being changed or of changing; immutable."The past is unchangeable; we can only learn from it. "philosophysciencetheorysystemChat with AIVocabulary GamePractice Reading