Mm or mmm?
mm is a noun meaning “millimole, millimoles”; mmm is an interjection meaning “An emotional expression of satisfaction”. Use mm as a noun and mmm as an interjection. In written English (wordfreq, 2021 data) mm is about 13 times as common as mmm.
What is the difference between mm and mmm?
| mm | mmm | |
|---|---|---|
| Part of speech | noun, interjection | interjection |
| Meaning | millimole, millimoles | An emotional expression of satisfaction An expression used to show thought, reflection, or confusion |
| Example | none recorded | Mmm, this is a tasty pie! |
| Forms | MMs | mmh, mnh |
| Pronunciation | not recorded | [m̩ː] |
| In writing | 45 times per million words | 3.5 times per million words |
Sources: mm and mmm in the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Every current meaning of mm and mmm
mm
- 1
Abbreviation of month, in two-digit numeric format, as in: dd/mm/yyyy
- 2
Alternative form of mmm
- 3
Initialism of Master of Music
- 4
millimole, millimoles
- 5
Initialism of Master of Management
- 6
Initialism of Master Mason
- 7
Initialism of maritime mobile
- 8
Initialism of middle marker
mmm
- 1
An emotional expression of satisfaction
Mmm, this is a tasty pie!
- 2
An expression used to show thought, reflection, or confusion
Mmm, I see what you mean
- 3
Used to represent an utterance that is muffled or spoken with a full mouth (also spelled "mmph")
- 4
UKYes
Source: the English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0); obsolete, archaic, dialect and rare senses left out.
Which is more common, mm or mmm?
mm appears 45 times per million words; mmm 3.5 times per million words.
mm 45 times per million wordsmmm 3.5 times per million words
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How many people search mm vs mmm?
“mm vs mmm” is searched about 70 times a month on Google and 10 on Bing in the United States. Google counts close variants of a query together (“mmm vs mm”, “mm or mmm”).
Sources: Google Ads keyword data through DataForSEO and Microsoft Advertising keyword data through DataForSEO, the average month from September 2025 to August 2026.