Mo Definition & Meaning

American

British

Usage

Etymology

Examples

Related Words

Synonyms mo 1 American [moh] / moʊ /

noun

Informal.

1. moment.

Mo 2 American Symbol, Chemistry.

1. molybdenum.

MO 3 American

abbreviation

1. method of operation.

2. Missouri (approved especially for use with zip code).

3. mode of operation.

4. modus operandi.

-mo 4 American

1. a 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.

   sixteenmo.

mo. 5 American

abbreviation

plural

mos

1. month.

2. months.

Mo. 6 American

abbreviation

1. Missouri.

2. Monday.

m.o. 7 American

abbreviation

1. mail order.

2. modus operandi.

3. money order.

M.O. 8 American

abbreviation

1. mail order.

2. manually operated.

3. Medical Officer.

4. method of operation.

5. mode of operation.

6. modus operandi.

7. money order.

MO 1 British

abbreviation

1. Missouri

2. Medical Officer

3. modus operandi

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 mo 2 British / məʊ /

noun

1. short for moment

2. short for moustache

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 m.o. 3 British

abbreviation

1. mail order

2. money order

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Mo 4 British

symbol

1. molybdenum

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Mo. 5 British

abbreviation

1. Missouri

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 -mo 6 British

suffix

1. (in bookbinding) indicating book size by specifying the number of leaves formed by folding one sheet of paper

   12mo, twelvemo, or duodecimo

   16mo or sixteenmo

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 mo 7 British

abbreviation

1. Macau

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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?

• more
• modus operandi
• Missouri

Etymology

Origin of mo1

By shortening

Origin of -mo4

Combining form extracted from duodecimo

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.

Bright slapped me on the back—“See you in a mo!”

From Literature

Her improvised chorus is simple; a dozen times, she repeats “Mo ti de, mo ti de le,” which means “I’ve arrived. I’ve come home” in Yoruba.

From Los Angeles Times

It basically comes down to, she says, “Mo’ money, mo’ problems.”

From Seattle Times

On Sunday, O’Donnell shared a still photo of her and Madonna on the set of the 1992 film “A League of Their Own” that she captioned: “remember when? #league #mo.”

From Los Angeles Times

“No mo magic please and thank you,” they wrote.

From Los Angeles Times

Related Words

• rule of thumb

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.