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Definitions

coo

[koo] / ku /
VERB
murmur or talk fondly or amorously
Synonyms


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.

McCain also tried to extract sentimental details about the passionate romance between the Vances, for her audience to coo over.

From Salon • Aug. 11, 2025

Surfing YouTube for throat whistlers, Saxon came across a former circus performer named Paul “The Birdman” Manalatos who had developed a signature coo.

From Los Angeles Times • Apr. 15, 2025

If at all possible, you should live in a place where you don't have to constantly be looking over your shoulder in fear while you coo at the baby.

From Science Daily • Mar. 18, 2024

They coo and fuss over the infant, swap feeding and nappy-changing duties, and take turns to stay with him so one of them can get some sleep.

From BBC • Oct. 2, 2023

The boy let out a small coo as he awoke, reaching for Taisin’s hand.

From "Huntress" by Malinda Lo