Synonyms and Antonyms of unalterable
not capable of changing or being changed <the rules of the game are unalterable, regardless of who is playing> Synonyms fixed, hard-and-fast, immutable, inalterable, incommutable, invariable, inflexible, unchangeableRelated 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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Dictionary: Definition of "unalterable"
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