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What is the opposite of alterable?

Need antonyms for alterable? Here's a list of opposite words from our thesaurus that you can use instead.

Adjective
▲
Opposite of capable of being changed, changeable, mutable
established
fixed
immutable
inelastic
inflexible
invariable
nonmalleable
ramrod
set
unadaptable
unalterable
unbudgeable
unchangeable
inalterable
constant
permanent
enduring
unchanging
lasting
unvarying
firm
abiding
steadfast
steady
stable
perpetual
changeless
immovable
consistent
uniform
irreversible
rigid
regular
persistent
undeviating
unwavering
eternal
unbending
unfluctuating
resolute
incommutable
unyielding
ageless
invariant
decided
hard
unshakeable
unvaried
stern
ineradicable
severe
indelible
static
unfailing
harsh
continuing
unfading
monotonous
stiff
strict
unbendable
strong
unmovable
austere
absolute
unmodifiable
unflexible
rigorous
unchanged
habitual
authoritarian
predictable
tough
indestructible
perdurable
undiversified
brittle
same
inductile
entrenched
fast
lifelong
irremovable
nonstretchable
non-stretchable
well-established
deep-rooted
not changing
cast-iron
fixed as the laws of the Medes and Persians
hard and fast
set in stone
settled
certain
stationary
stringent
intractable
limited
nonconforming
uncompromising
uptight
draconian
dour
illiberal
oppressive
obdurate
unpermissive
difficult
tense
intolerant
ungiving
iron-fisted
predetermined
agreed
prescribed
planned
preset
prearranged
explicit
arranged
determined
flat
defined
determinate
specified
pre-set
Adjective
▲
Opposite of able to be changed in form, function, or character
inconvertible
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See Also

Nearby Words
alterably
alteration
alterations
altercate
altercation
altercations
alterability
alter
altar
alta
also used as
also-rans
9-letter Words Starting With
a
al
alt
alte
alter
altera
alterab
alterabl
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