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English dictionary

immutable Meaning & Definition

Phonetic codes: IH0 M Y UW1 T AH0 B AH0 L

What Does Immutable Mean?

As an adjective, immutable means Unable to be changed without exception. It can also mean Not able to be altered in the memory after its value is set initially. As a noun, it means Something that cannot be changed.

Immutable in Brief

Part of speechadjective, noun
Synonymschangeless
Antonymsmutable, changeable and nonimmutable
Pluralimmutables

Immutable Definition (Adjective)

  1. Unable to be changed without exception.

    The government has enacted an immutable law.

  2. Not able to be altered in the memory after its value is set initially.

    Constants are immutable.

Immutable as a Noun

  1. Something that cannot be changed.

Adjective

  1. (of a variable) not able to be altered in the memory after its value is set initially.

    Constants are immutable.

Synonyms of Immutable

Immutable synonyms and antonyms →

Antonyms of Immutable

Immutable in a Sentence

The government has enacted an immutable law.

Constants are immutable.

Word Forms & Grammar

immutable (not comparable)

immutable (plural immutables)

Words That Rhyme With Immutable

Origin of Immutable

From Middle English immutable, from Latin immūtābilis (“unchangeable”); im- +‎ mutable.

Frequently Asked Questions About Immutable

Is immutable an adjective or a noun?

Immutable is mainly used as an adjective, but it can also be used as a noun.

What is another word for immutable?

Words with a similar meaning to immutable include changeless. See the full list of immutable synonyms and antonyms.

What is the opposite of immutable?

Antonyms of immutable include mutable, changeable and nonimmutable.

What is the plural of immutable?

The plural of immutable is immutables.

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