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:
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
“No mo magic please and thank you,” they wrote.
From Los Angeles Times ● Oct. 13, 2022
Going on hour 17 of no power with a 1 mo old.
From Seattle Times ● Oct. 25, 2021
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
“Queenie know mo bout whar she gwine dan you does. All you got to do es set dar en hold dem reins. You knows de way, now?”
From "The Sound and the Fury" by William Faulkner
Could Wall Street be losing some of its Big Mo?
From The Wall Street Journal ● Oct. 14, 2026
It's tempting to say we should discount such "obvious" picks for this debate, but then there's Mo Salah.
From BBC ● Sep. 16, 2026
Mo Almalarashid arrived in Greenock in 2018 as a Syrian refugee without a word of English.
From BBC ● Aug. 21, 2026
California craft beer pioneer Stone Brewing will close three Escondido locations and lay off hundreds of workers as production moves to Paso Robles and Kansas City, Mo.
From Los Angeles Times ● Aug. 21, 2026
"Are you sure he's got the right Mohammed? It is the most common boy's name in the world. There has to be a mistake. Mo would never steal."
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 -0.77%decrease; red down pointing triangle reported lower fourth-quarter profit as cigarette shipment volume declined, dragging down its smokeable product business.
From The Wall Street Journal ● Jan. 29, 2026
Back in April, Walmart announced that it was in the process of removing self-checkouts and returning to regular checkouts in its store in Shrewsbury, MO, a suburb of St. Louis.
From Salon ● Jul. 17, 2024
But the specific deal with Alonso, a free agent after this season, would be a departure from the Mariners’ typical MO under Jerry Dipoto.
From Seattle Times ● Jun. 1, 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
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
At Worland, Wyo., lives Doris Johnson, 19 mo., one of many U. S. children crippled by burns.
From Time Magazine Archive
Net income, first half 158,696 Net income, 18 mo. ended December 275,622 Reo Motor Car Co.
From Time Magazine Archive
Whittier sent this reply, pretending not to have noticed the postscript, but finally waking up to the fact that she was not herself to be the bride:— Amesbury, 12th mo. 29th, 1874.
From Whittier-land A Handbook of North Essex, Containing Many Anecdotes of and Poems by John Greenleaf Whittier Never Before Collected. by Samuel T. (Samuel Thomas) Pickard
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
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
Seth Hansen, the owner of the Trump Store Branson in Branson, Mo., said that while sales are lower than the election-year high, business is still good.
From The Wall Street Journal ● Sep. 6, 2026
With one child and another on the way, the couple has since sold that house and purchased another in St. Louis, Mo. They moved to the more-affordable city to be closer to family.
From MarketWatch ● Sep. 1, 2026
"They miss you so much, Mo. I see it in Mama's eyes. Baba's, too, but he's better at hiding it."
From "City of the Plague God" by Sarwat Chadda
And causing other people’s pain is not in my m.o.
From Salon ● May 2, 2019
It’s a shame not to hear the instrument more, but there are moments when the vocals-heavy m.o. makes sense.
From New York Times ● Aug. 24, 2018
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
“You saw exactly the m.o. of what David would love to have,” Helton said.
From Los Angeles Times ● Nov. 28, 2017
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
The particular M.O. whose knees are painful is, as a matter of fact, better now.
From A Diary Without Dates by Enid Bagnold
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