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
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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
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
Reznak mo Reznak stressed the coin to be made through taxes.
From "A Dance with Dragons" by George R. R. Martin
Whether he is pulling a pint, tossing a builder's helmet in the air or running with Olympic medallist Mo Farah, the UK's new prime minister Andy Burnham has embraced social media with a deft touch.
From Barron's ● Aug. 16, 2026
Egyptian Mo Salah recently signed off on a hugely successful nine years at Liverpool, and the Dutch squad includes three Reds' regulars including captain Virgil van Dijk.
From BBC ● Jul. 9, 2026
“Loudoun was called the breadbasket of the Revolution,” said Denise Mo, executive director of the Loudoun Heritage Farm Museum.
From The Wall Street Journal ● Jul. 2, 2026
But this turn doesn’t define Mo or his overall arc, which tightly focuses on the constant hustle, creativity and sense of humor required to survive as an immigrant in this country.
From Salon ● Jul. 1, 2026
I vaguely remembered Mo showing me a picture of a lamassu in one of his archaeology books.
From "City of the Plague God" by Sarwat Chadda
The company’s shares change hands for 21 times expected earnings, a 70% premium to Altria MO -0.21%decrease; down pointing triangle and BAT.
From The Wall Street Journal ● Jul. 9, 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
That drift aligns rather naturally with Kennedy’s current MO.
From Los Angeles Times ● Jun. 22, 2023
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
Put a baby's clothes over him feet first until he reaches 6 mo. to keep him from growing up stunted.
From Time Magazine Archive
Slip Near Los Angeles Mr. & Mrs. A. J. Tarpley were motoring with their two daughters, Marjorie, 3 mo., and Catherine, 2.
From Time Magazine Archive
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
Cloth bound, small 12 mo. with illustrations and cover design by F. Opper.
From Found in the Philippines The Story of a Woman's Letters by Charles King
But the residents of Nodaway County, Mo., are answering rationally when they object to the proposed data center he describes.
From The Wall Street Journal ● Aug. 26, 2026
Lora and Dillon Harp, who live in Trenton, Mo., rode in Zoox twice in Las Vegas in May.
From The Wall Street Journal ● Aug. 23, 2026
Production of the Stone portfolio will gradually transition to Firestone Walker’s brewery in Paso Robles, Calif., and Duvel USA’s Boulevard brewery in Kansas City, Mo., the joint statement said.
From Los Angeles Times ● Aug. 21, 2026
Sheila was raised in Kansas City, Mo., and moved to New York where she worked as a registered nurse but also had a background in theater.
From Los Angeles Times ● Jun. 23, 2026
The old man's expression was no longer quite so forbidding as he inspected Mo. “How extraordinary. You must be really keen on the book,” he murmured.
From "Inkheart" by Cornelia Funke
Reacting defines her persona and the cultural m.o. of her memoir.
From Los Angeles Times ● Sep. 23, 2020
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
"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
Whether she’s being herself or playing Leslie Knope, Poehler’s M.O. has long been catching more flies with honey than vinegar.
From Salon ● Jan. 16, 2026
He said the animal’s behaviors and M.O. were almost identical.
From Los Angeles Times ● Oct. 24, 2025
One of the last patients to leave by train was Wetherall, who at this crisis passed under the care of Stobie, the Oxfords' old M.O.
From The Story of the 2/4th Oxfordshire and Buckinghamshire Light Infantry by Geoffrey Keith Rose
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
