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adj

immutable

Immutable (adj) means Unable to be changed. Example: “The laws of physics are considered immutable.”

adj
1
Unable to be changed.
"The laws of physics are considered immutable."
2
In computing, describing data that cannot be altered once created.
"Strings in the language are immutable, so a new object is created every time you edit one."

How to use immutable

Learner’s notes

In plain EnglishFixed and unchangeable, whether talking about a law, a fact, or a piece of data in code.

When to use it

Common in both everyday and technical (programming) writing.

Common pairings
immutable law immutable object immutable truth

Word forms

immutables plural

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Fill the gap

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The laws of physics are considered _____.

Etymology

From Latin immutabilis, "unchangeable" (im- + mutable).

Origin: Latin

Antonyms

mutable nonimmutable

Related words

Rhymes for immutable

See all rhymes for immutable →

Frequently asked questions

What does “immutable” mean?

The word “immutable” means unable to be changed. In plain terms, fixed and unchangeable, whether talking about a law, a fact, or a piece of data in code.

How do you use “immutable” in a sentence?

Here is “immutable” used in a sentence: “The laws of physics are considered immutable.”

What is another word for “immutable”?

Words with a similar meaning to “immutable” include bateless, fixed, inalterable, invariable, permanent and perma-.

What is the opposite of “immutable”?

The opposite of “immutable” — its antonyms — are mutable and nonimmutable.

What part of speech is “immutable”?

“Immutable” is an adjective.

Where does the word “immutable” come from?

The word “immutable” comes from Latin. From Latin immutabilis, "unchangeable" (im- + mutable).

How many meanings does “immutable” have?

“Immutable” has 2 distinct senses listed in this dictionary. The most common is: unable to be changed.

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Definitions: FreeDict original editorial