Synonyms and Antonyms of unchangeable
not capable of changing or being changed <I'm afraid that my opinion on this matter is unchangeable> Synonyms fixed, hard-and-fast, immutable, inalterable, incommutable, invariable, unalterable, inflexibleRelated Words changeless, constant, determinate, established, set, settled, stable, steadfast, steady, unaltered, unchanging, unvarying; immovable, unmovableNear Antonyms adaptable, adjustable; fickle, fluctuating, inconstant, uncertain, unsettled, unstable, varying; plastic, pliable, pliant, supple, willowyAntonyms alterable, changeable, elastic, flexible, mutable, variable
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