immutable

American  

[ih-myoo-tuh-buhl] / ɪˈmyu tə bəl /

adjective

1. not mutable; unchangeable; changeless.

2. Computers. (in object-oriented programming) of or noting an object with a fixed structure and properties whose values cannot be changed.

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immutable British  

/ ɪˈmjuːtəbəl /

adjective

1. unchanging through time; unalterable; ageless

   immutable laws

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Other Word Forms

• immutability noun
• immutableness noun
• immutably adverb

Etymology

Origin of immutable

First recorded in 1375–1425; late Middle English, from Latin immūtābilis; im- ², mutable

Example Sentences

This is proof of his optimization skills, not some immutable law of the universe.

From The Wall Street Journal

Even if we do, that doesn’t change this immutable fact: How a person comes to know David Bowie cements the version of him living forever in your memory and soul.

From Salon

After deep contemplation, she despaired, writing: “Nature’s silence is its one remark, and every flake of world is a chip off that old mute and immutable block.”

From The Wall Street Journal

Cryptocurrencies are actually ill-suited for major criminal enterprises because transactions are permanent, immutable and traceable.

From The Wall Street Journal

One of the hardest things for caregivers to do is stop trying to change the immutable.

From The Wall Street Journal

Related Words

• abiding
• enduring
• immovable
• inflexible
• sacrosanct