English Dictionary

Studying English?

Watch tv shows, play games, become fluent in English with Yabla ... Try Free For 15 Days Learn More
Watch example usage of "boo"
Print (save as pdf)
boo
WIKTIONARY
boo
Interjection
  • A loud exclamation intended to scare someone, especially a child. Usually used when one has been hidden from the victim and then suddenly appeared unexpectedly.
  • A word used ironically in a situation where one might have scared someone, but said someone was not scared. Not said as loudly as in definition 1.
  • An exclamation used by a member or many members of an audience, as at a stage play or sports game, to indicate derision or disapproval of what has just occurred.
Noun
  • A derisive shout made to indicate disapproval.
Verb
  • To shout extended boos derisively. intransitive
  • To derisively shout extended boos at. transitive
Noun
  • A close acquaintance or significant other. US, African American Vernacular, slang
Boo
Proper noun
  • A locality situated in Nacka Municipality, Stockholm County, Sweden.
Proper noun
  • The Boko language. linguistics