Word:

  boo

1. boo (v)
  show displeasure, as after a performance or speech.

2. boo (n)
  a cry or noise made to express displeasure or contempt.

Opposite meanings of boo (Anytonyms)
acclaimacclaimapplaudapplaudclapclapspatspat

Words derived from boo
birdbooBronx cheerhisshootraspberryrazzrazzingsnortfizzlehisshissinghushingsibilationhisserbaitcodragrallyrazzridetantalisetantalizetauntteasetwitboohisshootsnorthisssibilatesisssizzhisssibilatesisssizz

boo is an instance of
condemncallcryoutcryshoutvociferationyell