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."
"In the trustless cryptocurrency world, you can still trust the cryptocurrency community and its mechanisms to ensure that the blockchain contains an accurate and immutable—unchangeable—record of cryptocurrency transactions."
— Peter Kent, Tyler Bain (2019)
"The government has enacted an immutable law."
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 notesIn 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
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Word forms
- Plural
- immutables
Fill the gap
Can you complete this real example?
The laws of physics are considered _____.
Etymology
From Latin immutabilis, "unchangeable" (im- + mutable).
Synonyms
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changeless
bateless
fixed
inalterable
invariable
permanent
perma-
perpetual
unabateable
unalterable
unchangeable
undeviating
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.
