As a noun, jeer is the act of scoffing, taunting, or mocking. Think of it as an anti-cheer. If you offer cheers for the visiting team and jeers for the home team, you might not be too popular in the stands.

As a verb, jeer means to laugh at in a mean way. Even if you did forget the words to the national anthem, it wasn't polite for the crowd to jeer. But don't feel too bad: the last singer remembered all the words and they jeered her anyway! Tough crowd.

Definitions of jeer

v laugh at with contempt and derision

“The crowd jeered at the speaker”
barrack, flout, gibe, scoff
Type of:
bait, cod, rag, rally, razz, ride, tantalise, tantalize, taunt, tease, twit
harass with persistent criticism or carping

n showing your contempt by derision

jeering, mockery, scoff, scoffing
Type of:
contemptuous laughter

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