mutable
/ˈmjuːtəbəl/adjective, noun
mutable is spelled M-U-T-A-B-L-E: 7 letters and 3 syllables. It appears about once in every 4 million words in written English, the 58,714th most frequent word form (wordfreq, 2021 data). As an adjective, mutable means “Changeable, dynamic, evolutive; inclined to change, evolve, mutate” (English Wiktionary, September 2026).
How many letters and syllables are in mutable?
| Letters | 7: M-U-T-A-B-L-E |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 4 million words; the 58,714th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is mutable?
Mutable appears about once in every 4 million words in written English, the 58,714th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce mutable?
- /ˈmjuːtəbəl/
- [ˈmjuːtəbl̩]
Mutable has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-mutable.wav, Wikimedia Commons (author and licence on each file's page).
Forms of mutable
- more mutable comparative
- most mutable superlative
- mutables plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does mutable mean?
The meanings the English Wiktionary records, quoted as written there (source below).
adjective
- 1
Changeable, dynamic, evolutive; inclined to change, evolve, mutate.
- 2
Having a value that is changeable during program execution.
- 3
Being one of the signs Gemini, Virgo, Sagittarius and Pisces, associated with adaptability, flexibility and sympathy.
noun
- 1
Something mutable; a variable or value that can change.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Mutable in Spanish, French, German and Portuguese
In the sense changeable:
| Language | Words |
|---|---|
| French | mutable |
| German | mutabel, veränderlich, veränderbar |
| Portuguese | mutável |
| Spanish | mutable |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does mutable come from?
From Middle English mutable, from Old French mutable, from Latin mutabilis (“liable to change”). By surface analysis, muta- + -able.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).