Thesaurus.com
Dictionary.com
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.

See Examples For:

Shelly, who speaks in a heightened version of Anderson’s breathy coo, is a fellow Francophile.

From Los Angeles Times Jan. 9, 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

Even the Pokémon noises are gently mellowed out in contrast to the coarser, more caterwauling sounds of the games; here the creatures purr, cry, coo and sigh like docile house pets.

From New York Times Jan. 13, 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

It would flirt and coo and risk curling back up against it.

From "Endangered" by Eliot Schrefer

In one of their most popular videos, the pair coos to the camera.

From BBC Jun. 13, 2026

“Slap the City” clatters and coos with R&B falsetto and at least makes the blank nihilism of Drake’s dating life feel self-aware.

From Los Angeles Times May 15, 2026

In another episode, she slides pans of cake batter into her oven and blithely coos, “Good night, sweetheart.”

From Salon Mar. 5, 2025

“Daddy’s taking movies again,” coos Nicole, who met Simpson when she was 18, as she cuddles her infant child on the beach.

From Seattle Times May 31, 2024

“This is insane,” coos a male voice on my right.

From "Divergent" by Veronica Roth

“I throw my cellular device in the water,” she cooed blissfully in the LP’s strummy title track, “Can you reach me? No, you can’t.”

From Los Angeles Times Oct. 2, 2025

As she peeled one away and put forward the next, she cooed about the baby: so beautiful, so healthy.

From Slate May 2, 2025

"Look at the children. They're so cute," she cooed.

From BBC Feb. 27, 2024

We may have collectively cooed over The Duke and Duchess of Sussex’s televised 2018 marriage ceremony, but that is a once-in-a-lifetime extravaganza that decidedly will not repeat.

From Salon Jan. 5, 2024

She smiled at me and cooed, but I knew I would soon be a stranger to her again.

From "Amal Unbound" by Aisha Saeed

“Nah,” I thought, as I watched the cooing baby in my arms.

From Salon Dec. 3, 2025

Usually it plays out as a cute moment, the assembled gaggle cooing awwww at the exchange as the queried party answers far more effusively than they do for their daily adult nemeses.

From The Wall Street Journal Nov. 21, 2025

“They do know when someone someone’s ill, right?” he said to no one before scratching Penny’s tummy and cooing, “You know I’m ill, right? I’m ill!”

From Los Angeles Times Oct. 25, 2025

Otis even gets a starring role, cooing along playfully to an improvised piano solo called Interlude II.

From BBC Apr. 16, 2024

It wasn’t just their sweet faces and lovely cooing that made the hummingbears so irresistible.

From "Willodeen" by Katherine Applegate




Vocabulary.com logo
by dictionary.com

Dictionary.com's Learning Companion

Go beyond just looking up words.
Remember them forever with VocabTrainer.

Start training