Immutable

/ɪˈmjuː.tə.bəl/

Meaning & Definition

adjective
unchanging over time or unable to be changed.
The laws of physics are considered immutable; they do not change with time or context.
not subject to variation or alteration.
Her decision to pursue a career in medicine was immutable, despite the challenges she faced.
permanent, unalterable.
The contract provided an immutable guarantee of his rights.

Etymology

From Latin 'immutabilis', from 'in-' (not) + 'mutabilis' (changeable)

Common Phrases and Expressions

immutable law
A law that cannot be altered or repealed.
immutable truths
Concepts or ideas that are universally accepted as unchanging.
immutable nature
The fundamental characteristics of something that do not change.

Related Words

mutability
The quality of being changeable.
mutable
Subject to change or alteration.
permanence
The state of lasting or remaining unchanged.

Slang Meanings

Something that is considered set in stone.
That rule is just immutable, everyone knows it.
Used to describe a person who cannot be swayed or changed.
He's got an immutable opinion on that matter, no point in arguing.