immutable
Americanadjective
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not mutable; unchangeable; changeless.
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Computers. (in object-oriented programming) of or noting an object with a fixed structure and properties whose values cannot be changed.
adjective
Other Word Forms
Derived Forms
Etymology
Origin of immutable
First recorded in 1375–1425; late Middle English, from Latin immūtābilis; see im- 2, mutable
Explanation
If you can't change it, it's immutable. There are many things in life that are immutable; these unchangeable things include death, taxes, and the laws of physics. The adjective immutable has Latin roots that mean "not changeable." The Latin prefix for not is in, but the spelling changes when the prefix is put before the consonant m. It is im before a root word starting with m as in immutable. If you learn this rule, you'll know the immutable fact that immutable begins with i-m-m.
Vocabulary lists containing immutable
The Vocabulary.com Top 1000
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Narrative of the Life of Frederick Douglass
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"Sinners in the Hands of an Angry God" by Jonathan Edwards
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The company is partnering with Immutable X for its launch, another Layer 2 protocol designed to lessen the gas fees associated with Ethereum transactions.
From The Verge • May 23, 2022
Immutable amid it all is Lila’s magnetic indomitability.
From Washington Post • Feb. 28, 2022
Immutable life sentences and one’s mortality are among the strongest of motivations to confess.
From Los Angeles Times • Sep. 26, 2019
This is not semantics, or splitting hairs; it is fundamental to who we are — my fiancé and I. Immutable as height or eye color.
From Salon • Jul. 29, 2014
Through knowledge, however, one becomes transformed into that which is Eternal, Unmanifest, and Immutable.
From The Mahabharata of Krishna-Dwaipayana Vyasa, Volume 3 Books 8, 9, 10, 11 and 12 by Ganguli, Kisari Mohan
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
