unchangeable
Cannot be altered
Unchangeable describes something that cannot be altered or modified.
Laws of physics are unchangeable; human decisions often are not.
The word implies permanence beyond anyone's control: The past is unchangeable.
When applied to people, it suggests stubbornness: He's unchangeable in his opinions.
Incapable of being changed
- unalterableIncapable of being changed
- inviolableImpossible to breach
- sacrosanctRegarded as too important to alter
- indelibleImpossible to remove
irreversible · irrevocable · binding · final · definitive · conclusive · irreparable · irremediable
Fixed without end
- eternalLasting without end
- everlastingLasting for all time
- perpetualLasting without interruption
- timelessUnaffected by eras
enduring · lasting · abiding · ageless · unending · indefinite · perennial · immortal
Fixed, unvarying quantity
- invariableNot subject to change
- uniformIdentical throughout
- consistentNot varying or contradicting
- steadyFixed, not fluctuating
unwavering · unvarying · regular · even · stable · fixed · static · level
Restored or immovable
- setArrange in position
- lockedFastened with a mechanism
- frozenSolidified by extreme cold
- rigidUnable to bend
inflexible · unyielding · unbending · stiff · hardened · crystallized · calcified · petrified
Firmly loyal, unshakeable
- resoluteFixed in purpose
- firmSolid or resolute
- staunchFirmly loyal, unyielding
- unwaveringSteady and unchanging
determined · tenacious · persistent · unshakable · unswerving · dogged · stubborn · obstinate
Self-evident starting principle
- lawBinding principle or regulation
- principleFundamental truth or standard
- truthAccordance with reality
- doctrineEstablished body of teachings
tenet · canon · dogma · decree · mandate · edict · dictum · precept
Fixed securely in position
- groundedStable and realistic
- rootedFirmly established in place
- securedMade fast or obtained
- stabilizedMade steady or constant
moored · tethered · fastened · planted · established · entrenched · bedrock · foundation
immutable
Incapable of being changed
- unalterableIncapable of being changed
- inviolableImpossible to breach
- sacrosanctRegarded as too important to alter
indelible · irreversible · irrevocable · binding · final · definitive · conclusive · irreparable · irremediable · irrecoverable
permanent
Fixed without end
- eternalLasting without end
- everlastingLasting for all time
- perpetualLasting without interruption
timeless · enduring · lasting · abiding · ageless · unending · indefinite · perennial · immortal · deathless
constant
Fixed, unvarying quantity
- invariableNot subject to change
- uniformIdentical throughout
- consistentNot varying or contradicting
steady · unwavering · unvarying · regular · even · stable · fixed · static · level · monotonous
fixed
Restored or immovable
rigid · inflexible · unyielding · unbending · stiff · hardened · crystallized · calcified · petrified · ossified
steadfast
Firmly loyal, unshakeable
unwavering · determined · tenacious · persistent · unshakable · unswerving · dogged · stubborn · obstinate · unyielding
axiom
Self-evident starting principle
- lawBinding principle or regulation
- principleFundamental truth or standard
- truthAccordance with reality
doctrine · tenet · canon · dogma · decree · mandate · edict · dictum · precept · maxim
anchored
Fixed securely in position
stabilized · moored · tethered · fastened · planted · established · entrenched · bedrock · foundation · ballast
- durabilitytoughness, durable, sturdiness, robustness, sturdy
unchangeablechangeable
Capable of alteration
alterable · mutable · modifiable · adjustable · malleable
unchangeablevariable
Prone to fluctuation
inconstant · fluctuating · changing · mercurial · fickle