boo

Interjection

1. A loud exclamation intended to scare someone. Usually used when one has been hidden from the target, and then appears unexpectedly.
2. An exclamation used by a member of an audience, as at a stage play or sporting event, to indicate derision or disapproval.
   • I ask them to record their votes in my favour, and I ask, is there any man who will dare to call me a stranger (hear, hear, and booing)?1852 July 15, “Dundalk Election”, in The Freeman's Journal, volume lxxxv, Dublin, page 3

Noun (1)

boo (plural boos)

1. A derisive shout of the word 'boo' made to indicate disapproval.
   • ...Hodgson headed down the tunnel with the boos of fans ringing in his ears after an eighth league defeat of the season...2010 December 29, Sam Sheringham, “Liverpool 0 - 1 Wolverhampton”, in BBC Sport
   • Like a moustachioed pantomime villain relishing boos and hisses from the audience, Trump is oblivious to warnings and protestations from the sane world and simply contemptuous of the lickspittle mob desperately hoping to go unnoticed.2026 January 24, Michael Pascoe, “America’s mighty economic power has feet of clay”, in Michael West Media

Verb (1)

boo (third-person singular simple present boos, present participle booing, simple past and past participle booed)

1. (intransitive) To shout extended boos derisively.
   • When he took the podium, the crowd booed.
   • Nobody booed and nobody clapped2004 October 18, The New Yorker

   Synonyms:

   hoot

   Antonyms:

   cheer

2. (transitive) To shout extended boos at, as a form of disapproval or derision.
   • The protesters loudly booed the visiting senator.

   Synonyms:

   hoot, badger, barrack, gird, heckle, jeer, roast, taunt, tease

   Antonyms:

   cheer, acclaim, acclamate, applaud, hail, barrack, beclap, cheer on, clap, encheer

Noun (2)

boo (plural boos)

1. (Canada, US, slang, African-American Vernacular) A close acquaintance or significant other.
   • A tall, hooded young woman, clutching a newspaper article, delivered a note to the judge. “My name is Sunkist,” she wrote, “Lionel R. Harris is my boyfriend. Lewis shot my Boo and it was not self-defense . . . . Judge and jurors please listen to me I am 17 years of {age} and a good young lady and...1988 December 22, Barton Gellman, “Judge Orders Mistrial In D.C. Slaying Case; Jury Unable to Reach Verdict After 10 Days”, in The Washington Post, Washington, D.C.: The Washington Post Company...
   • At night I think of you / I want to be your lady, maybe / If your game is on give me a call, boo / If your lovin' strong, gonna give my all to you1996, “My Boo”, performed by Ghost Town DJ's

Noun (3)

boo (uncountable)

1. (slang) Cannabis.
   • […] sexually promiscuous girl who smoked boo all day and socialized with junkies when she wasn't busy banging away in bed […]1967, George E. Andrews, Simon Vinkenoog, The Book of Grass: An Anthology on Indian Hemp, page 213
   • Like I have smoked boo, drunk whiskey, and shot dope, and I was going through all three bags at once.1984, Raphael S. Ezekiel, Voices from the corner: poverty and racism in the inner city, page 56

   Synonyms:

   bhang, benj, broccoli, bud, buddha, cannabis, cheeba, choof, daccha, dank

Verb (2)

boo (third-person singular simple present boos, present participle booing, simple past and past participle booed)

1. (Northern England, archaic, intransitive) To make a sound characteristic of cattle; to moo.
   • The cow's tether is put about the neck of the individual who has lost the cow, and he must go about booing like a cow till atonement is made.1850, “The Missionary Herald”, in The Baptist Magazine, volume 42
   • In the north of England people very often speak about the "oxen booing" (not lowing)1894, Emily Seytter, “Barnyard Voices”, in Our Animal Friends: An Illustrated Monthly Magazine, volume 21

Noun (4)

boo (plural boos)

1. A tail feather from an ostrich.
   • Burglary.—On Monday night or early on Tuesday morning, some thieves effected an entrance into the premises of Mr. W. J. Laybourne, ostrich feather manufacturer, 60, St. John-street, West Smithfield, and carried off 1,000 prime white feathers, 500 long single black, 800 double ditto, 3,000 mixed...1877 June 15, The Leeds Mercury, volume 114, number 12,225, Leeds, West Yorkshire, page 2, column 5
   • White Boos declined 10s. to 15s. per lb.; Femina Boos 2s. 6d. to 5s. per lb., and drab Boos about 2s. 6d. per lb.1891 February 1, “Report on the December Public Sales of Ostrich and Osprey Feathers, Bird Skins, &c.”, in The Humming Bird: A Monthly Scientific, Artistic, and Industrial Review, volume I., number...

Proper noun (1) capitalized: Boo

Boo (countable and uncountable, plural Boos)

1. A community in Nacka, Stockholm, central Sweden.
2. A surname from Swedish

Proper noun (2) capitalized: Boo

Boo

1. The Boko language.

Proper noun (3) capitalized: Boo

Boo (plural Boos)

1. A surname from Chinese

Proper noun (4) capitalized: Boo

Boo (plural Boos)

1. A surname from Korean

Proper noun (5) capitalized: Boo

Boo (plural Boos)

1. A surname from Dutch