boo

boo

noun

Definition of BOO

a vocal sound made to express scorn or disapproval <the referee's questionable call was greeted with a chorus of boos>

Synonyms bird [chiefly British], boo, Bronx cheer, hiss, hoot, jeer, raspberry, razz, snort

Related Words smirk, sneer, snicker, snigger; gibe (or jibe), put-down, taunt; whistle

Near Antonyms applause, clapping

Antonyms cheer