mo
noun
Jump To:
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mo
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Mo
Momolybdenum.
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MO
MOabbreviationmethod of operation.
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-mo
-moa suffix occurring in a series of compounds that describe book sizes according to the number of leaves formed by the folding of a single sheet of paper.
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mo.
mo.abbreviationmonth.
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Mo.
Mo.abbreviationMissouri.
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m.o.
m.o.abbreviationmail order.
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M.O.
M.O.abbreviationmail order.
mo
1 American
[moh]
/ moʊ /
noun
Informal.
Mo
2
American
Symbol, Chemistry.
MO
3
American
abbreviation
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method of operation.
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Missouri (approved especially for use with zip code).
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mode of operation.
-mo
4
American
mo.
5
American
abbreviation
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mos
plural
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month.
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months.
Mo.
6
American
abbreviation
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Missouri.
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Monday.
m.o.
7
American
abbreviation
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mail order.
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modus operandi.
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money order.
M.O.
8
American
abbreviation
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mail order.
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manually operated.
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Medical Officer.
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method of operation.
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mode of operation.
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modus operandi.
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money order.
MO
1
British
abbreviation
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Missouri
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Medical Officer
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modus operandi
mo
2
British
/ məʊ /
m.o.
3
British
abbreviation
-
mail order
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money order
Mo
4
British
symbol
Mo.
5
British
abbreviation
-mo
6
British
suffix
mo
7
British
abbreviation
Usage
What else does MO mean? MO—it's a multifunctional set of letters. MO is commonly used as an abbreviation for modus operandi, meaning “mode of operating or working.” It’s also commonly a postal abbreviation for Missouri. You may not always encounter mo in uppercase letters in informal contexts in digital communication. So, two other widespread, popular uses of mo you may encounter are: Mo, a guy’s name, and mo, a dialectical pronunciation of more. In the U. K. and other English-speaking places around the world, mo is a slang shortening of the word moment. How is MO pronounced?[ em-oh ] or [ moh ]What are some variants of MO?or M. O. or mo' or moWhat are some other words related to MO?
Etymology
Origin of mo1
By shortening
Origin of -mo4
Combining form extracted from duodecimo
Vocabulary lists containing mo
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
I have the Tongan seal and motto “Ko e ʻOtua mo Tonga ko hoku tofiʻa,” which means “God and Tonga are my inheritance,” tattooed on my left arm.
From Los Angeles Times ● Apr. 5, 2023
Although history does not celebrate the first skin-eaters, cultures around the world enjoy their recipes — whether Brazilian torresmos, Canadian scrunchions, Indonesian krupuk kulit, Jewish gribenes, Mexican cueritos, Slavic cvarci or Vietnamese tóp mo.
From Washington Post ● Feb. 21, 2023
It can do all the modes that matter in terms of 4K and slow mo and handles them all super well.
From The Verge ● Sep. 21, 2021
But it’s the mo hanh, caramelized scallions and scallion-flavored oil, that make this banh mi sing.
From Seattle Times ● Sep. 3, 2020
Eeny, meeny, miny, mo, catch a shambler by the toe.
From "Dread Nation" by Justina Ireland
And the revelry didn't stop there, with celebrities such as Maya Jama wowing attendees at her own Halloween party in London dressed as four-time Olympic champion Sir Mo Farah.
From BBC ● Nov. 1, 2026
Could Wall Street be losing some of its Big Mo?
From The Wall Street Journal ● Oct. 14, 2026
Gu’s mother, 35-year-old Mo Chanping, said she bought the Little Genius watch after hearing about it in a group chat with other parents and seeing videos about the watch on WeChat, China’s do-everything app.
From The Wall Street Journal ● Sep. 21, 2026
Michael McIntyre, Jimmy Carr, Aisling Bea, John Bishop and Mo Gilligan are among the comics who will perform at the event.
From BBC ● Sep. 4, 2026
Mo took my arm and hauled me down beside him.
From "City of the Plague God" by Sarwat Chadda
There needs to be a "different MO", he said.
From BBC ● Sep. 11, 2026
Altria MO 0.59%increase; green up pointing triangle posted higher sales in the first quarter as higher pricing offset lower volumes.
From The Wall Street Journal ● Apr. 30, 2026
“That’s why it’s kind of funny that it’s sort of my MO now, because I was always being described in scripts as a mouse or like, really intelligent but lacked some sense of confidence.”
From Los Angeles Times ● Jul. 30, 2025
Rory turns into sandworm fodder the second he admits his slimy MO, suggesting that the smarmy leech was beyond redemption.
From Salon ● Sep. 9, 2024
He knew there was • MO • no shame in crying.
From "The Dead and the Gone" by Susan Beth Pfeffer
“It’s key that need for reform is understood, but we don’t need 6 mo. of study,” he wrote.
From New York Times ● Oct. 22, 2020
Coursers competed for three stakes: the Sapling, for hounds under 16 mo.; the Futurity, for those under 22 mo.; the Derby, an all-age event which is called the Waterloo at the Coursing Association's autumn meet.
From Time Magazine Archive
At Worland, Wyo., lives Doris Johnson, 19 mo., one of many U. S. children crippled by burns.
From Time Magazine Archive
Poor St. Louis, mo. everyone has a tear or two for gritty cities facing hard times--for the Detroits, the Clevelands--but who spares a thought for the elegant dowager reduced to reusing tea bags?
From Time Magazine Archive
Signed on behalf of our Monthly Meeting held at Cedar Creek, 8 mo. 24th, 1781.
From Dorothy Payne, Quakeress A Side-Light upon the Career of 'Dolly' Madison by Ella Kent Barnard
Johnathan Duncan, won a city council race in Kansas City, Mo., in 2023 thanks in part to his work with Kansas City Tenants, the city’s tenants union.
From MarketWatch ● Oct. 6, 2026
Kelker-Kelly died Saturday evening at his home in St. Peters, Mo., the city’s Police Department confirmed Monday to The Times.
From Los Angeles Times ● Oct. 6, 2026
And in Warrenton, Mo., where the firm has a project under development, it decided to cover admission for spectators at football games this season.
From The Wall Street Journal ● Sep. 17, 2026
In Independence, Mo., one city councilman lost a recall vote Tuesday by 68% due to his support for a data center.
From Los Angeles Times ● Sep. 7, 2026
“I'll have to think about it,” replied Mo. “Suppose I lend her to you for a few days now and then?”
From "Inkheart" by Cornelia Funke
The quartet that Shorter assembled around the turn of the new millennium was his first attempt as a bandleader to revisit and expand upon the all-things-must-explode m.o. of Davis’s 1960s quintet.
From New York Times ● Mar. 2, 2023
And causing other people’s pain is not in my m.o.
From Salon ● May 2, 2019
Chanos’s m.o. is to take large short positions in stocks and wait for them to fall to what he considers fair value.
From Slate ● Jul. 6, 2018
Its m.o., sour beers and Neapolitan-style pizza, continues at the new Fremont location, but there will be an extensive fresh-pasta menu, sandwiches, tacos and a full bar with a biodynamic wine program.
From Seattle Times ● Dec. 4, 2017
“That's kind of the m.o. of who wins ballgames,” USC Coach Clay Helton said.
From Los Angeles Times ● Nov. 15, 2016
Fusing couture-level spectacle with crowd-pleasing performance has long been Jacobs’ M.O.
From Salon ● Mar. 27, 2026
"I feel like in my career I've won on tough golf courses generally, so that's my M.O., I would say," said 2025 Masters runner-up Rose, who led by a shot after an opening-round 62.
From BBC ● Jan. 31, 2026
Bending Spoons’ M.O. is apparent from even a cursory look at its portfolio and record.
From Slate ● Jan. 23, 2026
With its slow pacing, shaky handheld cameras, dishwater cinematography and unnervingly extreme closeups, it feels more like an intense indie drama than a whimsical tale of a robber with a peculiar M.O.
From The Wall Street Journal ● Oct. 9, 2025
Within, by the fire, she was laughing with the M.O. and drinking a cup of tea—a harmless amusement.
From A Diary Without Dates by Enid Bagnold
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