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intj Common

boo

boo
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Boo (intj) means an exclamation shouted to scare someone, usually while jumping out unexpectedly. Example: “The little girl hid behind the sofa and shouted "boo!" at her dad.”

intj
1
An exclamation shouted to scare someone, usually while jumping out unexpectedly.
"The little girl hid behind the sofa and shouted "boo!" at her dad."
""Boo!" said my brother, leaping out of the cupboard, and I nearly dropped my tea."
"He jumped from behind the door and yelled "boo!""
verb
1
To shout disapproval, especially at a performance or event.
"Some of the audience began to boo when the singer forgot the words."
"Fans booed loudly as the team left the pitch after the heavy defeat."
"The crowd booed when the referee made the call."
noun
1
Informal term for a boyfriend, girlfriend, or romantic partner.
"He bought flowers for his boo because it was their anniversary."
"Is that your boo waiting outside the cinema for you?"
"She posted a photo with her boo on Valentine's Day."

How to use boo

Learner’s notes

In plain EnglishA word to scare someone, a shout of disapproval, or slang for a sweetheart.

When to use it

The "sweetheart" sense is informal slang, common in casual speech and social media.

Common pairings
boo someone off stage my boo
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Word forms

Plural
boos
Third person singular
boos
Past tense
booed
Test yourself on “boo” A quick quiz — meaning, synonyms & usage →

Fill the gap

Can you complete this real example?

The little girl hid behind the sofa and shouted "_____!" at her dad.

Etymology

From an earlier form "boh," coined to imitate a sudden, startling shout.

Related words

Rhymes for boo

See all rhymes for boo →

Frequently asked questions

What does “boo” mean?
The word “boo” means an exclamation shouted to scare someone, usually while jumping out unexpectedly. In plain terms, a word to scare someone, a shout of disapproval, or slang for a sweetheart.
How do you pronounce “boo”?
“Boo” is pronounced boo (/buː/ in IPA).
How do you use “boo” in a sentence?
Here is “boo” used in a sentence: “He jumped from behind the door and yelled "boo!".”
What is the opposite of “boo”?
The opposite of “boo” — its antonyms — is cheer.
What part of speech is “boo”?
Depending on how it is used, “boo” can be an intj, a verb and a noun.
Is “boo” a common word?
“Boo” is a fairly common word in modern English.
How many meanings does “boo” have?
“Boo” has 3 distinct senses listed in this dictionary. The most common is: an exclamation shouted to scare someone, usually while jumping out unexpectedly.
What is the difference between 'boo' and 'cheer'?
They express opposite reactions. To boo is to shout disapproval, especially at a performance, while to cheer is to shout approval and support.
What is the difference between 'boo' and 'hiss'?
Both express disapproval from a crowd and are often paired together as 'boo and hiss.' Booing is shouting the word or sound 'boo,' while hissing is making a drawn-out 's' sound.
Is 'boo' formal or informal?
Boo is informal in all its uses, whether as an exclamation to startle someone, a shout of disapproval, or a pet name for a partner. It suits casual speech rather than formal writing.

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