boo Meaning in the Cambridge English Dictionary

Meaning of “boo” in the English Dictionary

"boo" in British English

See all translations

booverb [I or T]

uk   us   /buː/ (present participle booing, past tense and past participle booed)
to make an ​expression of ​strongdisapproval or ​disagreement: People at the back ​started booing ​loudly. Her ​singing was so ​bad that she was booed off the ​stage.

boonoun [C]

uk   us   /buː/ (plural boos)
the ​act of booing


uk   us   /buː/
an ​expression, usually ​shouted, used to ​surprise and ​frighten someone who does not ​know you are near them : She ​jumped out of the ​cupboard and ​shouted "Boo!"
(Definition of boo from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"boo" in American English

See all translations

booverb [I/T]

 us   /bu/ (present tense boos, present participle booing, past tense and past participle booed)

boo verb [I/T] (DISAPPROVE)

to ​call out the word "boo" to ​expressdisapproval: [T] They booed him off the ​stage.
noun [C]  us   /bu/ (plural boos)
Students ​showedtheirdislike with a ​chorus of boos.


 us   /bu/

boo exclamation (SURPRISE)

used to ​surprise or ​frighten another ​person, and usually said ​loudly: He ​snuck up behind me and said, "Boo!"
(Definition of boo from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of boo?
Add Cambridge dictionaries to your browser to your website
Word of the Day


(a plan showing) the subjects or books to be studied in a particular course, especially a course that leads to an exam

Word of the Day

Out of Africa
Out of Africa
by Colin McIntosh,
October 01, 2015
A recent discovery off the coast of the island of Taiwan, made by local fishermen, is causing scientists to re-examine their ideas about early humans. The skull of a male human, now nicknamed Penghu Man, was found to differ significantly from the skulls of the Homo Erectus species previously known in the

Read More 

face training noun
face training noun
October 05, 2015
a system of facial exercises designed to tone the facial muscles and improve the skin

Read More