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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Ginger Johnson seamlessly integrates mooing into her singing The most distinctly British of the U.K. Rusicals, Pant-Oh She Betta Don’t! Barry Levitt, Vulture, 21 Feb. 2025 The bottom three dishes this week were Charly’s overcooked fish, Manny’s practically mooing beef and Laura’s incongruous dessert. Rachel Bernhard, Journal Sentinel, 17 Apr. 2024

Word History

Etymology

imitative

First Known Use

1549, in the meaning defined above

Time Traveler
The first known use of moo was in 1549

Browse Nearby Words

Cite this Entry

“Moo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/moo. Accessed 24 Mar. 2025.

Kids Definition

moo

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

moo

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

More from Merriam-Webster on moo

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!