beginner Level
Immutable
Unchanging over time or unable to be changed.
✓ Synonyms
Fixedsetrigidpermanent
✗ Antonyms
Variableflexiblemutable
About "Immutable"
Immutable is a vocabulary word commonly tested on the SAT. Understanding this word and its synonyms (Fixed, set) can help you answer Reading and Writing questions more accurately. The opposite meaning (antonyms) includes words like Variable and flexible.
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