Antonyms of adj unalterable

3 senses of unalterable

Sense 1
unalterable (vs. alterable), inalterable -- (not capable of being changed or altered; "unalterable resolve"; "an unalterable ground rule")

alterable (vs. unalterable) -- (capable of being changed or altered in some characteristic; "alterable clothing"; "alterable conditions of employment")

Sense 2
unalterable -- (of a sentence; that cannot be changed; "an unalterable death sentence")

INDIRECT (VIA incommutable) -> commutable -- (subject to alteration or change; "the death sentence was commutable to life imprisonment")

Sense 3
changeless, unalterable -- (remaining the same for indefinitely long times)

INDIRECT (VIA unchangeable) -> changeable, changeful -- (such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices")

Similarity of adj unalterable

3 senses of unalterable

Sense 1
unalterable (vs. alterable), inalterable -- (not capable of being changed or altered; "unalterable resolve"; "an unalterable ground rule")
       => incurable -- (unalterable in disposition or habits; "an incurable optimist")
       => final, last -- (not to be altered or undone; "the judge's decision is final"; "the arbiter will have the last say")

Sense 2
unalterable -- (of a sentence; that cannot be changed; "an unalterable death sentence")
       => incommutable (vs. commutable) -- (not subject to alteration or change)

Sense 3
changeless, unalterable -- (remaining the same for indefinitely long times)
       => unchangeable (vs. changeable) -- (not changeable or subject to change; "a fixed and unchangeable part of the germ plasm"-Ashley Montagu; "the unchangeable seasons"; "one of the unchangeable facts of life")

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