Boo | Mean of boo in English Dictionary

/ˈbuː/

• Noun
• a sound that people make to show they do not like or approve of someone or something
1. A chorus of boos was heard after the shot missed the goal.
2. The announcement was greeted by/with a mixture of boos and cheers.
• any sound at all
1. He never said boo [=he never said anything], so I didn't even know he was there.
• Verb
• to show dislike or disapproval of someone or something by shouting “Boo” slowly
1. Many people in the crowd booed when the announcement was made.
2. Many people in the crowd booed the announcement, but a few people cheered it.
3. The crowd booed the singer off the stage. [=the crowd booed so much that the singer stopped singing and left the stage]