mutable
adjective
mu·ta·ble
ˈmyü-tə-bəl 
1
: prone to change : inconstant
mutable opinions
2
a
: capable of change or of being changed
mutable laws
b
: capable of or liable to mutation
mutable vowels
a mutable gene
Examples of mutable in a Sentence
the government's mutable economic policies
a politician with very mutable positions on all the issues
Recent Examples on the Web
The exhibit is smartly centered on the endless interpretations of Spider-Man the Character who, despite being 64 years old, yet still a teenage spider, has remained remarkably mutable.
—
Chicago Tribune, 4 June 2025
My favorite bits with him are his office decorations, frankly—the rabbit/duck optical illusion statue, showing his mutable nature, and the iceberg poster, hinting at hidden depths.
—Ars Technica, 25 Mar. 2025
Unlike centralized clouds, where data shards are mutable, decentralized nodes make shards immutable and cryptographically secured, preventing unauthorized reconstruction.
—Expert Panel®, Forbes.com, 21 May 2025
The director’s observation of the mutable contracts between sisters, and even more so, fathers and daughters, is intensely affecting in a movie freighted with melancholy but also leavened by surprising notes of humor.
—David Rooney, HollywoodReporter, 21 May 2025
See All Example Sentences for mutable
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Chicago Tribune, 4 June 2025
My favorite bits with him are his office decorations, frankly—the rabbit/duck optical illusion statue, showing his mutable nature, and the iceberg poster, hinting at hidden depths.
—Ars Technica, 25 Mar. 2025
Unlike centralized clouds, where data shards are mutable, decentralized nodes make shards immutable and cryptographically secured, preventing unauthorized reconstruction.
—Expert Panel®, Forbes.com, 21 May 2025
The director’s observation of the mutable contracts between sisters, and even more so, fathers and daughters, is intensely affecting in a movie freighted with melancholy but also leavened by surprising notes of humor.
—David Rooney, HollywoodReporter, 21 May 2025
See All Example Sentences for mutable
Cite this Entry
“Mutable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mutable. Accessed 12 Jul. 2025.
Copy CitationKids Definition
mutable
adjective
mu·ta·ble
ˈmyüt-ə-bəl
1
: likely to change often : inconstant
2
a
: capable of change
b
: able or likely to mutate
Medical Definition
mutable
adjective
mu·ta·ble
ˈmyüt-ə-bəl
1
: capable of change or of being changed in form, quality, or nature
2
: capable of or liable to mutation
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