musn't
/ˈmʌsnt/contraction
musn't is spelled M-U-S-N-T: 5 letters. It appears about once in every 18 million words in written English, the 127,184th most frequent word form (wordfreq, 2021 data). As a contraction, musn't means “Dated form of mustn't” (English Wiktionary, September 2026).
How many letters and syllables are in musn't?
| Letters | 5: M-U-S-N-T |
|---|---|
| In writing | about once in every 18 million words; the 127,184th most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is musn't?
Musn't appears about once in every 18 million words in written English, the 127,184th 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 musn't?
- /ˈmʌsnt/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does musn't mean?
The meanings the English Wiktionary records, quoted as written there (source below).
contraction
- 1
datedDated form of mustn't.
Thomas Dibdin, Guilty or Not Guilty Nay, Sir, you musn't mind it – it's quite a common thing in our parish […]
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).