moo

M3O1O1
/muː/

noun

The characteristic lowing sound made by cattle.

“The cow says moo.”

Similar
Less commonScrabble 5

Meanings

moo1

nounmoo (plural moos)

plural moos

  1. onomatopoeicThe characteristic lowing sound made by cattle.
  2. UKderogatorymildlyslangA foolish woman.

    You silly moo! What did you do that for?

    1 more example

    'Aurora House does not expel,' said the sanctimonious moo, 'but you will be medicated, if your behaviour warrants it, for your own protection.'

    2004, David Mitchell, Cloud Atlas, London: Sceptre (Hodder and Stoughton), →ISBN
verbmoo (third-person singular simple present moos, present participle mooing, simple past and past participle mooed)

present singular third person moos · participle present mooing · participle past mooed · past mooed

  1. intransitiveOf a cow or bull, to make its characteristic lowing sound.

    Synonyms: low, boo

interjection
  1. The characteristic sound made by a cow or bull.

    The cow says moo.

MOO2

proper noun
  1. abbreviationinitialismvideo gamesInitialism of Master of Orion.
noun
  1. abbreviationinitialismInitialism of matter of opinion.
  2. abbreviationinitialismvideo gamesInitialism of MUD, object-oriented.
  3. abbreviationdatedinitialismpostalInitialism of Money Order Office.

    It was to help solve a serious problem – mice. For the little vermin were chewing letters containing banknotes and postal orders, especially at the Money Order Office (MOO).

    1993, Christopher Browne, Getting the Message: The Story of the British Post Office, page 88
    1 more example

    […](3) the nature of the Postal business accommodation supplied by the local Post-Office—thus, PO (Post-Office), SB (Savings Bank), MOO (Money Order Office), or, if there be no PO, the name and distance of the nearest PO[…]

    1893, George A. de M. Edwin Dagg, "Devia Hibernia" : the road and route guide for Ireland of the Royal Irish Constabulary, page vi
  4. abbreviationinitialismastronomyInitialism of massive overdense object.

Moo3

proper nounMoo (plural Moos)

plural Moos

Synonyms & antonyms

verbOf a cow or bull, to make its characteristic lowing sound.

Similar

More synonyms by meaning

verbmake a low noise, characteristic of bovines

Similar
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

moo · noun, verb, interjection

Onomatopoeic.

Full word history & related roots →

Moo · proper noun

  1. Cantonese巫
  2. EnglishMoo

Borrowed from Chinese, including Cantonese 巫 (mou⁴) and others.

Full word history & related roots →

Translations

Ancient Greek μυκάομαι, μέμυκα
  • μυκάομαι (mukáomai)to make a lowing sound
  • μέμυκα (mémuka)to make a lowing sound
Arabic خُوَار, خَارَ
  • خُوَار (ḵuwār)characteristic sound made by a cow or bull
  • خَارَ (ḵāra)to make a lowing sound
  • مُو (mū)sound made by a cow or bull
Bulgarian мучене, муча
  • мучене (mučene)characteristic sound made by a cow or bull
  • муча (muča)to make a lowing sound
  • муу (muu)sound made by a cow or bull
Catalan mugit, mugir
  • mugitcharacteristic sound made by a cow or bull
  • mugirto make a lowing sound
  • mmmsound made by a cow or bull
  • musound made by a cow or bull
Chinese Mandarin 哞, 哞
  • 哞 (mōu)characteristic sound made by a cow or bull
  • 哞 (mōu)sound made by a cow or bull
  • 哞哞叫 (mōumōu jiào)sound made by a cow or bull
Czech bučení, bučet
  • bučenícharacteristic sound made by a cow or bull
  • bučetto make a lowing sound
  • búsound made by a cow or bull
Danish muh, brøle
  • muhcharacteristic sound made by a cow or bull
  • brøleto make a lowing sound
  • muhsound made by a cow or bull
Dutch boe, loeien
  • boecharacteristic sound made by a cow or bull
  • loeiento make a lowing sound
  • boesound made by a cow or bull
  • moesound made by a cow or bull
Esperanto muĝi, mu
  • muĝito make a lowing sound
  • musound made by a cow or bull
Finnish ammunta, lehmä
  • ammuntacharacteristic sound made by a cow or bull
  • lehmäfoolish woman
  • ammuato make a lowing sound
  • muusound made by a cow or bull
  • ammuusound made by a cow or bull
  • möösound made by a cow or bull
French meuglement, beuglement
  • meuglementcharacteristic sound made by a cow or bull
  • beuglementcharacteristic sound made by a cow or bull
  • meuglerto make a lowing sound
  • beuglerto make a lowing sound
  • mugirto make a lowing sound
  • meuhsound made by a cow or bull
German Muhen, muhen
  • Muhencharacteristic sound made by a cow or bull
  • muhento make a lowing sound
  • muhsound made by a cow or bull
Greek μου, μουκανητό
  • μου (mou)characteristic sound made by a cow or bull
  • μουκανητό (moukanitó)characteristic sound made by a cow or bull
  • μουγκανίζω (mougkanízo)to make a lowing sound
  • μου (mou)sound made by a cow or bull
  • μουγκανίζω (mougkanízo)sound made by a cow or bull
  • μουγκρίζω (mougkrízo)sound made by a cow or bull
Hawaiian umō
  • umōcharacteristic sound made by a cow or bull
Hebrew מו
  • מוsound made by a cow or bull
Hungarian múzik, mú
  • múzikto make a lowing sound
  • músound made by a cow or bull
Icelandic baul, baula
  • baulcharacteristic sound made by a cow or bull
  • baulato make a lowing sound
  • musound made by a cow or bull
  • mösound made by a cow or bull
Irish géim, géim
  • géimcharacteristic sound made by a cow or bull
  • géimto make a lowing sound
Italian muggito, muggire
  • muggitocharacteristic sound made by a cow or bull
  • muggireto make a lowing sound
  • musound made by a cow or bull
Japanese モー
  • モー (mō)sound made by a cow or bull
Korean 음매
  • 음매 (eummae)sound made by a cow or bull
Latin mugitus, mūgiō
  • mugituscharacteristic sound made by a cow or bull
  • mūgiōto make a lowing sound
Latvian maut
  • mautto make a lowing sound
Lithuanian mūkimas, mūkti
  • mūkimascharacteristic sound made by a cow or bull
  • mūktito make a lowing sound
  • myktito make a lowing sound
  • mūsound made by a cow or bull
Malay tenguh
  • tenguhcharacteristic sound made by a cow or bull
Māori mū
  • mūto make a lowing sound
Norwegian raut, mø
  • rautcharacteristic sound made by a cow or bull
  • møcharacteristic sound made by a cow or bull
  • rauteto make a lowing sound
  • møsound made by a cow or bull
Persian ما
  • ما (mâ)sound made by a cow or bull
Polish muczenie, krowa
  • muczeniecharacteristic sound made by a cow or bull
  • krowafoolish woman
  • muczećto make a lowing sound
  • zamuczećto make a lowing sound
  • musound made by a cow or bull
Portuguese mugido, mugir
  • mugidocharacteristic sound made by a cow or bull
  • mugirto make a lowing sound
  • musound made by a cow or bull
Romanian muget, mugi
  • mugetcharacteristic sound made by a cow or bull
  • mugito make a lowing sound
  • musound made by a cow or bull
Russian мыча́ние, мыча́ть
  • мыча́ние (myčánije)characteristic sound made by a cow or bull
  • мыча́ть (myčátʹ)to make a lowing sound
  • му (mu)sound made by a cow or bull
  • му-у-у (mu-u-u)sound made by a cow or bull
Scottish Gaelic mò
  • mòcharacteristic sound made by a cow or bull
Slovak mučať, bučeť
  • mučaťto make a lowing sound
  • bučeťto make a lowing sound
Spanish mugido, mu
  • mugidocharacteristic sound made by a cow or bull
  • mucharacteristic sound made by a cow or bull
  • mugirto make a lowing sound
  • musound made by a cow or bull
Swedish mu, råma
  • mucharacteristic sound made by a cow or bull
  • råmato make a lowing sound
  • musound made by a cow or bull
Tagalog unga, umunga
  • ungacharacteristic sound made by a cow or bull
  • umungato make a lowing sound
Thai มอ
  • มอ (mɔɔ)sound made by a cow or bull
Turkish möö, möölemek
  • mööcharacteristic sound made by a cow or bull
  • möölemekto make a lowing sound
  • mösound made by a cow or bull
Ukrainian му́кати
  • му́кати (múkaty)to make a lowing sound
Yiddish מוקען
  • מוקען (muken)to make a lowing sound

Rhymes & wordplay

Rhymes with moo

All rhymes →

Sounds the same

Anagrams

Cite this entry
APA

moo. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/moo

MLA

“moo.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/moo. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “moo,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/moo.

Source: moo on Wiktionary, CC BY-SA 4.0.