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.]

Donald Trump was loudly booed when the camera panned to him at the National Championship game on Monday evening. Seconds later, the camera was off him and his family, who gathered to watch …

People at the back started booing loudly. Her singing was so bad that she was booed off the stage.

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. …

3 days ago · Trump appeared to have been both cheered and booed at the Miami vs Indian College Footbal Playoff National Championship on Monday. Here's what happened.

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 …

4 days ago · A video of President Donald Trump being loudly booed at an NFL game has gone viral, but the truth behind the clip tells a very different story.

Nov 10, 2025 · US President Donald Trump was booed by fans while reading a military oath during the Washington Commanders vs Detroit Lions NFL game in Maryland. His awkward reaction went viral …

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. …