boo

1 of 4

interjection

used to express contempt or disapproval or to startle or frighten

boo

2 of 4

noun (1)

plural boos
1
: a shout of disapproval or contempt
2
: any utterance at all
usually used in negative constructions
never said boo

boo

3 of 4

verb

booed; booing; boos

intransitive verb

: to deride especially by uttering a prolonged boo

transitive verb

: to express disapproval of by booing
the crowd booed the referee

boo

4 of 4

noun (2)

plural boos
US slang
: a romantic partner : sweetheart, honey
Your parents might keep a sharp eye on potential partners and your besties may lay down difficult "friend tests," but only one real opinion on your new boo truly matters: what your dog thinks of them.Jaime Lees
This has left me skeptical of all new relationships—including my new boo.Griffin Wynne

Examples of boo in a Sentence

Noun (1) A chorus of boos was heard after the shot missed the goal. The announcement was greeted by a mixture of boos and cheers. Verb Many people in the crowd booed when the announcement was made. Many people in the crowd booed the announcement, but a few people cheered it.
Recent Examples on the Web
Interjection
Highlights include a costume parade (for kids and parents), a Purim story and boo Haman and songs. Linda McIntosh, San Diego Union-Tribune, 15 Mar. 2024 Volunteer yourself to help with X, Y and Z accommodations if that lightens the family’s workload, without saying boo about the couple’s choices. Carolyn Hax, Washington Post, 18 Jan. 2024 C’mon, when the day began the Dodgers were in third place in the standings, but led the league in pitching and led all of baseball in run differential and … boo! Bill Plaschke, latimes.com, 25 May 2017
Noun
The silence at least gave the crowd space to bellyache and boo. Alphonse Pierre, Pitchfork, 8 Mar. 2024 But at the Wednesday night school board meeting, he was greeted with boos and chants from angry parents, teachers, and community members in the school district made of up of two elementary schools and one middle school. Jenavieve Hatch, Sacramento Bee, 15 Feb. 2024 Malik Monk added 23 points and 10 assists off the bench as the Kings heard boos from their fans throughout the game. Ben Ross, USA TODAY, 8 Feb. 2024 After a third warning, Mr. Rey left the ring to a chorus of boos. James Wagner Luis Antonio Rojas, New York Times, 1 Feb. 2024 There were definitely some not-Swifties in the crowd; boos rang out in San Jose when the camera cut to the superstar, watching the game with friends in a luxury box. Harriet Blair Rowan, The Mercury News, 12 Feb. 2024 Slide to see my homemade coloring book creation that started this work of art colored in by my lil boo. Jamie Ballard, Peoplemag, 31 Jan. 2024 To begin with he was greeted by a rather loud chorus of boos during the opening ceremony. Damian Dottore, Orange County Register, 28 Jan. 2024 The statement was met with boos from protesters at the back of the room, largely made up of members of the United Campus Workers Arizona calling for attention to UA’s ongoing financial stressors and pending legislation affecting higher education. The Arizona Republic, 23 Feb. 2024
Verb
Angels owner Arte Moreno was emphatically booed Friday night when his image ever-so-briefly appeared on the Angel Stadium screen during a highlights video before the team’s home opener against the Boston Red Sox. Chuck Schilken, Los Angeles Times, 8 Apr. 2024 Commissioner Werfel opened his speech at American University with a video clip from the Simpsons, in which Homer is heard loudly booing the IRS. Scott Horsley, NPR, 24 Mar. 2024 Mark Consuelos lit the Live audience's fuse during a hilariously shady round of the fan-favorite Stump Mark trivia game with a firefighter, after the in-studio crowd turned on the actor and booed him on the air. Joey Nolfi, EW.com, 6 Mar. 2024 And even got booed off the stage at a competition — for winning! Michael Schneider, Variety, 14 Mar. 2024 Many Republicans in the chamber groaned and booed at Biden's description of Trump's record. Deirdre Walsh, NPR, 8 Mar. 2024 Ronnie reportedly got spat on and booed at early shows, and while many would come around, to others, there would forever remain no Black Sabbath without Ozzy. Paul Fitzgerald, Rolling Stone, 5 Mar. 2024 Attendees of Inter Miami’s exhibition match on Feb. 4 were furious at the U.S. team’s decision not to field Messi and fellow team member Luis Suarez, booing players and calling for a refund by the match’s end. Lionel Lim, Fortune Asia, 20 Feb. 2024 As the saloon door opened, a blast of chants and boos from Trump protesters outside filled the room. Faith E. Pinho, Los Angeles Times, 8 Feb. 2024

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'boo.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

Interjection

expressive formation; the voiced labial release and high vowel presumably heighten the suddenness of the utterance

Noun (1)

derivative of boo entry 1

Verb

derivative of boo entry 2

Noun (2)

of uncertain origin

Note: Perhaps ultimately a hypocoristic reduction of brother, applied to unrelated males, but the details are unclear.

First Known Use

Interjection

1639, in the meaning defined above

Noun (1)

1884, in the meaning defined at sense 1

Verb

1833, in the meaning defined at intransitive sense

Noun (2)

1988, in the meaning defined above

Time Traveler
The first known use of boo was in 1639

Dictionary Entries Near boo

Cite this Entry

“Boo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boo. Accessed 18 Apr. 2024.

Kids Definition

boo

1 of 2 interjection
used to express contempt or disapproval or to startle or frighten

boo

2 of 2 noun
plural boos
1
: a shout of disapproval or contempt
2
: any sound at all
never said boo
boo verb

More from Merriam-Webster on boo

Last Updated: - Updated example sentences
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