'boo' definitions:

Definition of 'boo'

noun

A cry or noise made to express displeasure or contempt [syn: boo, hoot, Bronx cheer, hiss, raspberry, razzing, razz, snort, bird]

verb

Show displeasure, as after a performance or speech [syn: boo, hiss] [ant: acclaim, applaud, clap, spat]

Definition of 'boo'

From: GCIDE

Bo \Bo\, interj. [Cf. W. bw, an interj. of threatening or frightening; n., terror, fear, dread.] An exclamation used to startle or frighten. [Spelt also boh and boo.] [1913 Webster]

Definition of 'boo'

From: GCIDE

boo \boo\ v. to show displeasure (after a performance or speech) by making a prolonged sound of "boo". [WordNet 1.5]

Synonyms of 'boo'

From: Moby Thesaurus

bird,
booing,
Bronx cheer,
cannabis,
catcall,
give the bird,
give the raspberry,
grass,
hiss,
hissing,
hoot,
Mary Jane,
pooh,
pooh-pooh,
pot,
raspberry,
razz,
tea,
the bird,
weed,
whistle at

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