Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “boo”

See all translations

boo

verb [I/T]  /bu/ ( present tense boos, present participle booing, past tense and past participle booed) us  

boo verb [I/T] (DISAPPROVE)

to call out the word "boo" to express disapproval: [T] They booed him off the stage.
boo
noun [C]  /bu/ ( plural boos) us  
Students showed their dislike with a chorus of boos.

boo

exclamation  /bu/ us  

boo exclamation (SURPRISE)

used to surprise or frighten another person, and usually said loudly: He snuck up behind me and said, "Boo!"
Translations of “boo”
in Spanish abucheo…
in French huées…
in German der ‘Buh‘-Ruf…
in Chinese (Traditional) 噓(某人), (向…)喝倒彩…
in Russian освистывать…
in Turkish yuhalamak, ıslıklamak, yüksek sesle protesto etmek…
in Chinese (Simplified) 嘘(某人), (向…)喝倒彩…
in Polish wygwizdać…
(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

More American English definitions for “boo”

Definitions of “boo” in other dictionaries

Word of the Day

ellipsis

a situation in which words are left out of a sentence but the sentence can still be understood

Word of the Day

Euphemisms (Words used to Avoid Offending People)

by Kate Woodford,
March 04, 2015
​​​ We recently looked at the language that we use to describe lies and lying. One area of lying that we considered was ‘being slightly dishonest, or not speaking the complete truth’. One reason for not speaking the complete truth is to avoid saying something that might upset or offend people. Words and

Read More 

snapchat verb

March 02, 2015
to send someone a message using the photomessaging application Snapchat We used to have a thing until he got a girlfriend. now

Read More