unchangeable

Synonyms

changeless, unalterable

remaining the same for indefinitely long times

confirmed

of persons; not subject to change

fixed, frozen

incapable of being changed or moved or undone; e.g. "frozen prices"

carved in stone, set in stone

no longer changeable

stable, static, unchanging

showing little if any change

constant

steadfast in purpose or devotion or affection

lasting, permanent

continuing or enduring without marked change in status or condition or place

Antonyms:

changeable, changeful

such that alteration is possible; having a marked tendency to change

adjustable

capable of being regulated

astatic

not static or stable

checkered

marked by changeable fortune

distortable

capable of having the meaning altered or twisted

erratic, fickle, mercurial, quicksilver

liable to sudden unpredictable change

fluid, unstable

subject to change; variable

fluid, mobile

affording change (especially in social status)

jittering

undergoing small rapid variations

kaleidoscopic, kaleidoscopical

continually shifting or rapidly changing

mobile

capable of changing quickly from one state or condition to another

open-ended

allowing for future changes or revisions

quick-change

adept at changing from one thing to another especially changing costumes

quick-drying

of a liquid substance that dries quickly

reversible

capable of assuming or producing either of two states

volatile

tending to vary often or widely

inconstant

likely to change frequently often without apparent or cogent reason; variable

exchangeable

suitable to be exchanged

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