Boo

English

Pronunciation

• Rhymes: -uː

Interjection

Boo

1. 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.
2. 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.
3. A word used by someone who is inherently scary, such as a ghost or a vampire, to make a weaker person who is scared stiff flee. Usually used quietly, as with definition 2.
4. An exclamation used by a member of an audience, as at a stage play or sports game, to indicate derision or disapproval of what has just occurred.

Noun

Boo (plural Boos)

1. A derisive shout made to indicate disapproval.
2. (US, slang) A close acquaintance or significant other, derived from French beau.

Verb

Boo (third-person singular simple present Boos, present participle Booing, simple past and past participle Booed)

1. (intransitive) To shout extended boos derisively.
2. (transitive) To derisively shout extended boos at.

   The protesters loudly booed the visiting senator.

Thesaurus

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