The meaning of BOO is —used to express contempt or disapproval or to startle or frighten. How to use boo in a sentence.

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BOO meaning: 1. to make an expression of strong disapproval or disagreement: 2. the act of booing 3. someone…. Learn more.

Oct 30, 2025 · In this article, we’ll tell you exactly what “boo” means, where it came from, and how to use it yourself. We’ve also included expert tips from relationship and dating coaches, as well as some …

BOO meaning: 1 : a sound that people make to show they do not like or approve of someone or something; 2 : any sound at all usually used in negative statements

1. (used to express contempt or disapproval or to startle or frighten.) n. 2. an exclamation of contempt or disapproval: a loud boo from the bleachers.

Oct 9, 2025 · Discover what boo mean in slang, its origins, how to use it in conversations, and the funniest online moments featuring 'boo'.

5 days ago · Noun boo (plural boos) (US, Canada, African-American Vernacular, slang) A close acquaintance or significant other.

boo1 (bo̅o̅), interj., n., pl. boos, v., booed, boo•ing. interj. (used to express contempt or disapprobation or to startle or frighten). n. an exclamation of contempt or disapproval: a loud boo from the bleachers. …

If you boo a speaker or performer, you shout 'boo' or make other loud sounds to indicate that you do not like them, their opinions, or their performance. People were booing and throwing things at them. …