Scrabble Dictionary

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Boo

buː

Boo definitions

interjection

said suddenly to surprise someone who is unaware of one's presence

"‘Boo!’ she cried, jumping up to frighten him"
said to show disapproval or contempt

"‘There's only one bar.’ ‘Boo!’"

noun

Inflections:

boo boos

an utterance of ‘boo’ to show disapproval of a speaker or performer

"the audience greeted this comment with boos and hisses"

Synonyms:
shout yell cry howl scream shriek whoop whistle

verb

Inflections:

boos booing booed boo

say ‘boo’ to show disapproval of a speaker or performer

"they booed and hissed when he stepped on stage"

Synonyms:
taunt mock scoff at ridicule laugh at sneer at deride tease insult abuse jibe (at) scorn shout disapproval (at) taunt sneer insult shout jibe boo hiss catcall