mooed; mooing; moos

intransitive verb

: to make the throat noise of a cow
moo noun

Examples of moo in a Sentence

Recent Examples on the Web Advertisement Nothing is easy Two hundred miles southeast of Hells Canyon, cows are mooing and birds are chirping as the sun rises over the Snake River Plain. Sammy Roth, Los Angeles Times, 26 Sep. 2023 Geese and chickens squawked in a mesh pen nearby; a tethered cow mooed occasionally. Serhii Korolchuk, Washington Post, 6 June 2023 Like the sound of cows mooing or the sound of the door opening. ELLE, 29 Apr. 2023 Long after the longhorns had walked past him, 2-year-old Cruz Banda Neff continued to wave and moo at parade participants from his perch on father Alan Neff’s shoulders. Megan Rodriguez, San Antonio Express-News, 5 Feb. 2022 But getting the animals to calm down can be difficult when they are distracted by herdmates mooing or baaing in the distance. Dionne Searcey, New York Times, 13 May 2020 Innocent Ntirengaya’s request to marry Divine Uwamahoro is accepted, and so is the dowry—eight cows that have been mooing for hours in a nearby pasture. Caterina Clerici & Eléonore Hamelin, Marie Claire, 1 Feb. 2019 The animals mooed their dissent but finally boarded the trailer. NBC News, 30 June 2018 But some cows — not all, as activists like to claim — cry (or moo mournfully) when their young are taken away. Mark Kurlansky, Time, 7 May 2018 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'moo.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History



First Known Use

1549, in the meaning defined above

Time Traveler
The first known use of moo was in 1549

Dictionary Entries Near moo

Cite this Entry

“Moo.” Dictionary, Merriam-Webster, Accessed 10 Dec. 2023.

Kids Definition


1 of 2 verb
: to make the low sound of a cow : low


2 of 2 noun
: the sound a cow makes when it moos

More from Merriam-Webster on moo

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