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

To express contempt, scorn, or disapproval of by booing: booed the singer off the stage. [Imitative.]

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

Definition of 'booing' booing in British English (ˈbuːɪŋ ) noun the action or an instance of booing

Booing is an act of publicly showing displeasure for someone or something, such as an entertainer or an athlete, by loudly yelling "Boo!" and sustaining the "oo" sound by holding it out. It may be …

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. …

booing, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary