coo

1 of 2

verb

cooed; cooing; coos

intransitive verb

1
: to make the low soft cry of a dove or pigeon or a similar sound
The baby cooed quietly in her crib.
2
: to talk fondly, amorously, or appreciatively
The family cooed over the baby pictures.
coo noun

COO

2 of 2

abbreviation

chief operating officer

Examples of coo in a Sentence

Verb The baby cooed quietly in her crib. The baby was making a cooing sound. They all cooed over the baby pictures. “Oh, how sweet,” she cooed.
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.
Verb
She is reminded of her sin by an incessantly cooing dove; Dvořak represents it with a spooky warbling in the woodwinds. Hannah Edgar, Chicago Tribune, 4 Apr. 2025 Songbirds coo and chirp from the marshy fringe; tall grasses rustle in the breeze. Dan Rubinstein, Outside Online, 13 Mar. 2025 After hugging the proud mom, Woods smiled and appeared to coo over little Molly Grace. Erin Clack, People.com, 17 Feb. 2025 Celebrities and academics would troop down to Havana to sit at Castro’s feet, cooing over him. Jay Nordlinger, National Review, 5 Mar. 2025 See All Example Sentences for coo

Word History

Etymology

Verb

imitative

First Known Use

Verb

1577, in the meaning defined at sense 1

Time Traveler
The first known use of coo was in 1577

Browse Nearby Words

Cite this Entry

“Coo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coo. Accessed 23 Apr. 2025.

Kids Definition

coo

verb
1
: to make the low soft cry of a dove or pigeon or a similar sound
2
: to talk fondly or lovingly
coo noun

More from Merriam-Webster on coo

Last Updated: - Updated example sentences
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