mm
noun, interjection
mm is spelled M-M: 2 letters. It appears 45 times per million words in written English, the 2,253rd most frequent word form (wordfreq, 2021 data). People search “mm vs mmm” about 70 times a month (Google, United States). As a noun, mm means “Abbreviation of month, in two-digit numeric format, as in: dd/mm/yyyy” (English Wiktionary, September 2026).
How many letters and syllables are in mm?
| Letters | 2: M-M |
|---|---|
| In writing | 45 times per million words; the 2,253rd most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people 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); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How common is mm?
Mm appears 45 times per million words in written English, the 2,253rd 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 mm?
- US
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Wodencafe-mm.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with mm
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Also written: mmm.
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
What does mm mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Abbreviation of month, in two-digit numeric format, as in: dd/mm/yyyy.
noun
- 1
Initialism of Master of Music.
- 2
Initialism of Master of Management.
- 3
Initialism of Master Mason.
- 4
Initialism of maritime mobile.
- 5
Initialism of middle marker.
- 6
Initialism of mile marker.
- 7
Initialism of man-month.
- 8
Initialism of mounted mint.
- 9
plural of M (“Monsieur”)
noun
- 1
millimole, millimoles
interjection
- 1
Alternative form of mmm.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).