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unchangeable
adjective
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How to pronounce unchangeable:

Definition of unchangeable:

unchangeable (adjective):
not able to be altered
not changing or to be changed immutable
adjective. not changeable or subject to change.

Synonyms for unchangeable:

carved in stone
changeability
changeless
confirmed
constant
determinate
established
fixed
frozen
hard-and-fast
immovable
immutable
inalterable
inevitable
inflexible
invariable
irreversible
lasting
permanent
set in stone
stable
static
steadfast
steady
strong
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Antonyms for unchangeable:

accommodating
acquiescent
adaptable
adjustable
agreeable
alterable
ambivalent
amenable
bendable
bending
broken
capricious
carefree
casual
chameleon-like
chameleonic
changeable
changeful
changing
clement
complaisant
compliant
complying
compromising
cooperative
Show 135 more

Other 4-syllable words like unchangeable

Here are some other common words that have 4 syllables, like unchangeable does.

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