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  • ou
    ou
    noun
    a rare Hawaiian honeycreeper, Psittirostra psittacea, having an olive-green body, a parrotlike bill, and in the male a bright yellow head.
  • OU
    OU
    abbreviation
    the Open University

ou

American  
[oh-oo] / ˈoʊˈu /
Or 'o'u

noun

  1. a rare Hawaiian honeycreeper, Psittirostra psittacea, having an olive-green body, a parrotlike bill, and in the male a bright yellow head.


OU 1 British  

abbreviation

  1. the Open University

  2. Oxford University

"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

ou 2 British  
/ əʊ /

noun

  1. slang a man, bloke, or chap

"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

Etymology

Origin of ou

First recorded in 1885–90; from Hawaiian ʿōʿū

Compare meaning

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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:

In the meantime, ou might even find it more empowering to treat yourself to something nice instead of waiting for the perfect gift from your partner.

From Slate Nov. 3, 2023

In 2016 she fashioned a Portuguese-Spanish remix of Balvin’s 2015 hit “Ginza,” then joined Maluma on “Sim ou Não,” a balmy pop mélange that helped initiate her in the coveted Hispanic market.

From Los Angeles Times Jun. 9, 2022

“Tout — ou rien,” replies the king: “all — or nothing.”

From New York Times Feb. 25, 2022

The film was produced by Bien ou Bien Productions and co-produced with France 3 Cinéma.

From Salon Sep. 13, 2020

When Mother came in she said, “Well, young lady, I believe this is the first time I’ve seen you go to bed without being told. \ou must be sick.”

From "I Know Why the Caged Bird Sings" by Maya Angelou

OU has not publicly commented beyond acknowledging the grade appeal process.

From Salon Nov. 30, 2025

Years ago, Harroz was OU general counsel and often stood in for the president at meetings of the Big 12 Conference.

From The Wall Street Journal Oct. 10, 2025

Creative students came to OU from around the world.

From Los Angeles Times Aug. 6, 2025

Development of the structured clinical interview was led by Mollie Rischard, Ph.D., a post-doctoral fellow in the Department of Psychiatry at the OU School of Community Medicine.

From Science Daily May 22, 2024

MAIS, OU There’s no excuse for mangling words that come from foreign languages.

From "Woe Is I" by Patricia T. O'Conner

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