mutable

B2 Topic:Describing Qualities

US /ˈmjuːtəbəl/ See IPA manual

Freq #114685

Meanings

1

adj
Able to change or be changed.

Prices in this market are highly mutable and shift from week to week.
2

adj
In programming, having a value that can be changed after it is created.

Lists in Python are mutable, so you can add or remove items at any time.

Thesaurus

Synonyms

1 adj · able to change or be changed. changeable

More abateablealterable dynamiceditableinconstant modifiable variable

Opposites

immutable

Word family

Derived forms epimutablehypermutablehypomutablemutability mutablenessmutablynonmutableparamutableunmutable

Related forms alterablenonimmutable

Appears in

Phrases (1)

See all

mutable nature
A character or essential quality that is liable to change.

Adjective + noun

Etymology

From Middle English mutable, from Old French mutable, from Latin mutabilis (“liable to change”). By surface analysis, muta- + -able.

*mey- (change) Proto-Indo-European mutable Middle English mutabilis Latin

View etymology graph ->

Topics

Describing Qualities

External links

# mutable

**Type:** Word
**Level:** B2
**Part of speech:** adj
**IPA (US):** /ˈmjuːtəbəl/
**Frequency rank:** 114685

## Meanings
1. Able to change or be changed.
2. In programming, having a value that can be changed after it is created.

## Examples
- Prices in this market are highly mutable and shift from week to week.
- Lists in Python are mutable, so you can add or remove items at any time.

## Synonyms
- abateable
- alterable
- changeable
- dynamic
- editable
- inconstant
- modifiable
- variable

## Antonyms
- immutable

## Derived Forms
- epimutable
- hypermutable
- hypomutable
- mutability
- mutableness
- mutably
- nonmutable
- paramutable
- unmutable

## Related Forms
- alterable
- nonimmutable

## Roots and Affixes
- Root: *mey- (change)
- Root: mutable
- Root: mutabilis

## Etymology
From Middle English mutable, from Old French mutable, from Latin mutabilis (“liable to change”). By surface analysis, muta- + -able.

## AI Etymology
Mutable comes from Middle English mutable, from Old French mutable, from Latin mutabilis (“liable to change”). By surface analysis, muta- + -able. In present-day English its meanings include able to change or be changed and in programming, having a value that can be changed after it is created. The historical chain runs through *mey- (change) (Proto-Indo-European), mutable (Middle English), mutable (Old French), and mutabilis (Latin). Related and derived forms include alterable, nonimmutable, epimutable, and hypermutable.

## Topics
- Describing Qualities

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