Antonyms of adj unchangeable

1 sense of unchangeable

Sense 1
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")

changeable (vs. unchangeable), changeful -- (such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices")
        => adjustable -- (capable of being regulated; "adjustable interest rates")
        => astatic -- (not static or stable)
        => checkered -- (marked by changeable fortune; "a checkered business career")
        => distortable -- (capable of having the meaning altered or twisted; "our words are distortable things--as in a crooked mirror held up to nature")
        => erratic, fickle, mercurial, quicksilver (prenominal) -- (liable to sudden unpredictable change; "erratic behavior"; "fickle weather"; "mercurial twists of temperament"; "a quicksilver character, cool and willful at one moment, utterly fragile the next")
        => fluid, unstable -- (subject to change; variable; "a fluid situation fraught with uncertainty"; "everything was unstable following the coup")
        => fluid, mobile -- (affording change (especially in social status); "Britain is not a truly fluid society"; "upwardly mobile")
        => jittering -- (undergoing small rapid variations)
        => kaleidoscopic, kaleidoscopical -- (continually shifting or rapidly changing)
        => mobile -- (capable of changing quickly from one state or condition to another; "a highly mobile face")
        => open-ended -- (allowing for future changes or revisions; "open-ended agreements")
        => quick-change (prenominal) -- (adept at changing from one thing to another especially changing costumes; "a quick-change artist")
        => quick-drying -- (of a liquid substance that dries quickly)
        => reversible -- (capable of assuming or producing either of two states; "a reversible chemical reaction"; "a reversible cell")
        => volatile -- (tending to vary often or widely; "volatile stocks"; "volatile emotions")

Similarity of adj unchangeable

1 sense of unchangeable

Sense 1
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")
       => changeless, unalterable -- (remaining the same for indefinitely long times)
       => confirmed -- (of persons; not subject to change; "a confirmed bachelor"; "a confirmed invalid")
       => fixed, frozen -- (incapable of being changed or moved or undone; e.g. "frozen prices"; "living on fixed incomes")
       => set in stone, carved in stone -- (no longer changeable; "the agreement is not yet set in stone")
       => static, stable, unchanging -- (showing little if any change; "a static population")
          Also See-> constant#2; permanent#1, lasting#1