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Definition of mutable

mutable

/ˈmjuː.tə.bəl/
mu · ta · ble
Adverb:mutably
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mutable Lexical Profile

mutable Game Scores & Validity

• adjective

1

In computer programming, designating an object, variable, or data structure whose state or value can be modified after it is created.

Example

"In Python, lists and dictionaries are mutable data types, whereas tuples and strings cannot be altered in place."

2

Liable or subject to change; capable of being altered, modified, or varied.

Example

"Human memory is surprisingly mutable, often reshaping past events to fit our current beliefs."

Synonyms
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Antonyms
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• Rhymes for mutable

• Nearby Words

muster
mustiness
musty
mutable
mutant
mutarazi
mutate

Word Origin & Etymology

Borrowed in the late 14th century from Latin 'mutabilis' (changeable), derived from the verb 'mutare' (to change), which is also the root of 'mutate' and 'commute'.

Cite this Entry

Wordmom. (2026). Definition of Mutable. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mutable
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