This shows grade level based on the word's complexity.
coo
1[ koo ]
/ ku /
Save This Word!
This shows grade level based on the word's complexity.
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.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachImprove Your Writing
Origin of coo
1First recorded in 1660–70; imitative
OTHER WORDS FROM coo
cooer, nouncoo·ing·ly, adverbWords nearby coo
Other definitions for coo (2 of 4)
coo2
[ koo ]
/ ku /
interjection British Slang.
(used to express surprise or amazement.)
Origin of coo
2First recorded in 1910–15; origin uncertain
Other definitions for coo (3 of 4)
Other definitions for coo (4 of 4)
COO
chief operating officer.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use coo in a sentence
British Dictionary definitions for coo (1 of 3)
coo
/ (kuː) /
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 forms of coo
cooer, nouncooingly, adverbBritish Dictionary definitions for coo (2 of 3)
COO
abbreviation for
chief operating officer
British Dictionary definitions for coo (3 of 3)
CoO
abbreviation for
cost of ownership
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