coo¹

[koo]

See more synonyms for coo on Thesaurus.com

verb (used without object), cooed, coo·ing.

to utter or imitate the soft, murmuring sound characteristic of doves.
to murmur or talk fondly or amorously.

verb (used with object), cooed, coo·ing.

to utter by cooing.

noun

a cooing sound.

Origin of coo¹

First recorded in 1660–70; imitative

Related formscoo·er, nouncoo·ing·ly, adverb

coo²

[koo]

interjection British Slang.

(used to express surprise or amazement.)

Origin of coo²

First recorded in 1910–15; origin uncertain

Coo

[kaw-aw]

noun

Italian name of Kos.

COO

chief operating officer.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for coo

Contemporary Examples

We coo over how cute our cat is and minimize the drudgery of cleaning the litter box.
Why Didn’t Camille Dump Bill Cosby?
Amanda Marcotte
December 17, 2014
They told the public not to believe that the COO meant what he said even though, yes, he said it.
When Campaign Spin Becomes Fact
Stuart Stevens
March 21, 2014
The next day, Chrysler panicked and tried to walk the story back, though they never challenged the accuracy of the COO quote.
When Campaign Spin Becomes Fact
Stuart Stevens
March 21, 2014
Modern feminists are finally having their Arab Spring, thanks to Facebook COO Sheryl Sandberg.
Five Girl-Power Books Exactly Like Sheryl Sandberg’s ‘Lean In’
Sean Macaulay
March 29, 2013
They vary in pitch and intelligibility as they reach their excited climaxes—or when she interrupts them to coo at Max.
Meet Mariann From Brooklyn, Howard Stern’s Biggest Fan
Kevin Fallon
February 28, 2013

Historical Examples

When she is called for—says the story—the puppets in the four corners begin to coo.
Russian Fairy Tales
W. R. S. Ralston
Presently there came the “coo” of a wood-pigeon from in front.
Danger! and Other Stories
Arthur Conan Doyle
Something between the 'gobble, gobble' of a turkey and the coo of the ring-dove.
Doctor Luttrell's First Patient
Rosa Nouchette Carey
He did not “coo” as usual, but stared unsmilingly at the ceiling.
The Cheerful Smugglers
Ellis Parker Butler
I know all the birds say when they twitter and chirp, caw and coo, gobble and cluck.
Europa's Fairy Book
Joseph Jacobs

British Dictionary definitions for coo

coo

verb coos, cooing or cooed

(intr) (of doves, pigeons, etc) to make a characteristic soft throaty call
(tr) to speak in a soft murmur
(intr) to murmur lovingly (esp in the phrase bill and coo)

noun

the sound of cooing

interjection

British slang an exclamation of surprise, awe, etc

Derived Formscooer, nouncooingly, adverb

CoO

abbreviation for

cost of ownership

COO

abbreviation for

chief operating officer

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for coo

v.

1660s, echoic of doves; the phrase to bill and coo is first recorded 1816. Related: Cooing. The noun is recorded from 1729.

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Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}coo1

coo2

Origin of coo2

Coo

COO

Examples from the Web for coo

Contemporary Examples

We coo over how cute our cat is and minimize the drudgery of cleaning the litter box.

They told the public not to believe that the COO meant what he said even though, yes, he said it.

The next day, Chrysler panicked and tried to walk the story back, though they never challenged the accuracy of the COO quote.

Modern feminists are finally having their Arab Spring, thanks to Facebook COO Sheryl Sandberg.

They vary in pitch and intelligibility as they reach their excited climaxes—or when she interrupts them to coo at Max.

Historical Examples

When she is called for—says the story—the puppets in the four corners begin to coo.

Presently there came the “coo” of a wood-pigeon from in front.

Something between the 'gobble, gobble' of a turkey and the coo of the ring-dove.

He did not “coo” as usual, but stared unsmilingly at the ceiling.

I know all the birds say when they twitter and chirp, caw and coo, gobble and cluck.

coo

CoO

COO

Word Origin and History for coo

v.

coo¹

Origin of coo¹

coo²

Origin of coo²