Meanings
m1
m2
- abbreviationgrammarAbbreviation of masculine.
plural ms
- abbreviationAbbreviation of meter.
- abbreviationAbbreviation of mile.
- abbreviationAbbreviation of month.
- abbreviationAbbreviation of minute.
Another instance: 2ʰ28ᵐ p. m., 10 micra; 3ʰ08ᵐ p. m., 0 micra; irrigated with water: 3ʰ09ᵐ p. m., 4 micra.
1908, Francis Ernest Lloyd, The Physiology of Stomata, Carnegie Institution of Washington, page 83 - abbreviationAbbreviation of million.
The final started with £85m worth of striking talent on the bench as Carroll was a Liverpool substitute and Chelsea's Fernando Torres missed out on a starting place against his former club.
2012 May 5, Phil McNulty, “Chelsea 2-1 Liverpool”, in BBC Sport, archived from the original on 14 Mar 2016 - abbreviationAbbreviation of minim (“unit of volume”).
- abbreviationentertainmentAbbreviation of measure.
- obsoletethousand
Having made a divorce with politics as I have already mentioned I have only to trouble you on my personal affairs ... —The principle & most pressing is that of the 9. m. dollars
1798 Letter from William Short to Thomas Jefferson
- abbreviationbusinessAbbreviation of make.
Row 1 (RS): Kfb, knit to marker A, slip marker A, knit to marker B (there are no sts to knit between markers A and B in Row 1), m1, slip marker B, k1, slip marker B, m1, […]
2011, Kristi Porter, Knitting Patterns For Dummies, page 232
- InternetabbreviationAbbreviation of am.
I mean everything can’t b said directly. But m trying now just 4 u.
2011 January, Smita Kaushik, Utkarsh Roy, Let's Get Committed…, New Delhi: Mahaveer Publishers, →ISBN, page 64
M3
M4
M5
plural Ms
- abbreviationcountableinitialismuncountableInitialism of mother.
- abbreviationcountableinitialismuncountableInitialism of men (sign on toilet door).
From the Kierkegaard Room he lopingly careened through a red-carpeted hallway that had previously vouchsafed him a comfort station but this morning seemed all business, no M or W in sight, just salons and boutiques and the Ingmar Bergman Cinema.
2001, Jonathan Franzen, The Corrections, New York, NY: Farrar, Straus and Giroux, →ISBN, page 332 - abbreviationcountableuncountableAbbreviation of nautical mile.
- abbreviationcountableinitialismuncountableInitialism of million.
- abbreviationcountableinitialismuncountablebiologyInitialism of media.
- abbreviationcountableinitialismuncountableusuallybusinessInitialism of medium (the manufactured size or an item of that size).
- AustraliacountableuncountablebroadcastingA film with the content rating M.
- abbreviationcountableuncountableAbbreviation of minority.
EOE M/F/V/H
equal opportunity employer (minority, female, veteran, handicap)
- abbreviationcountableinitialismslanguncountableInitialism of morphine.
[Doctors] always carry narcotic prescription blanks and some M with them. M is morphine.
1952, Woman's Home Companion, volume 79, page 1413 more examples
“Anyway, when he came out of Patsy's room, I grabbed him by the arm and said, ‘Gee whiz, doc, haven't you got a couple of pills for me—even demerol?’ ” / Willie broke off to explain. “That's a synthetic. We call them demmies. If you can't buy H or M, why, demmies will do the trick.”
1956, Jess Stearn, Sisters of the Night: The Startling Story of Prostitution in New York Today, New York: Julian Messner, Inc., page 59That night Marylou took everything in the books; she took tea, goofballs, benny, liquor, and even asked Old Bull for a shot of M, which of course he didn’t give her; he did give her a martini.
1957 September 5, Jack Kerouac, On the Road, New York, N.Y.: Viking Press, →OCLC'You were going to get me some M,' she whispered in his ear. […] His friend uses morphine, too.
2009, Larry Harrison, Glimpses of a Floating World, page 142 - countableuncountableball gamesthe number of minutes a player spent at the crease
- countableuncountableball gamesthe number of maiden overs bowled
- abbreviationcountableinitialismuncountableInitialism of masochist.
In all the sexual encounters I have participated in or know of the "M" sets the limits as to what to get into and how much pain will be applied. And of course if the scene gets too rough the "M" has the right to stop it.
1980 April 5, Brian O'Dell, “Sensuality/Mutuality”, in Gay Community News, page 4
- Monsieur.
1 more example
I also advise reading the Merlin of M Jean Prévost, published by the N. R. F., a swift audacious picture of post-war love, treated with the grace of a Crébillon or of a Restif de la Bretonne. I could not recommend too highly the Petite Histoire des Juifs which MM Jean and Jérôme Tharaud have just published with Plon.
1928 May, Paul Morand, “Paris Letter”, in The Dial, volume LXXXIV, number 6, published June 1928, page 508
- Michigan; roadway; Michigan; roadwayMichigan.
- abbreviationinitialismnot comparableInitialism of male.
So last summer, when the Massachusetts State Legislature became one of the first in the nation to consider a bill to add an “X” option for nonbinary genders to the “M” and “F” on the state driver’s license, El, 17, was less surprised than some at the maneuver that effectively killed it.
2019 May 29, Amy Harmon, “Which Box Do You Check? Some States Are Offering a Nonbinary Option”, in The New York Times, archived from the original on 08 Jun 2019 - abbreviationinitialismnot comparableInitialism of medium (of the manufactured size).
- abbreviationinitialismnot comparablevideo gamesInitialism of mature.
The ESRB rated the video game M for Mature as it contained excessive blood and gore.
Synonyms & antonyms
More synonyms by meaning
nounconcentration measured by the number of moles of solute per liter of solution
nounthe cardinal number that is the product of 10 and 100
nouna unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
nouna unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
adjectivedenoting a quantity consisting of 1,000 items or units
nounthe basic unit of length adopted under the Systeme International d'Unites (approximately 1.094 yards)
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
Translations
Hebrew ז
- ז (z)masculine
Hungarian m, hn.
- mmetre
- hn.masculine
Polish metr
- metrmetre
Russian м, м
- мmetre
- мmasculine
- мmilli-
- млн (mln)million
Rhymes & wordplay
Rhymes with m
All rhymes →Cite this entry
m. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/m
“m.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/m. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “m,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/m.
Source: m on Wiktionary, CC BY-SA 4.0.