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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?

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.

“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

Looks like they’re ganging up trying to make an honest man out of me, a lo mo, natural born hustler!

From The New Yorker • Dec. 2, 2019

“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