BOO Synonyms: 57 Similar and Opposite Words

boo 1 of 2

noun

Definition of boo

as in snort

a vocal sound made to express scorn or disapproval the referee's questionable call was greeted with a chorus of boos

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boo

2 of 2

verb

as in to jeer

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of boo

Noun

Some boos and whistles could be heard from the crowd, tired of seeing Miami’s defensive lapses. — Michelle Kaufman, Miami Herald, 30 Aug. 2026 There were only boos — from a mighty contingent of Dolphins fans in a far-from-full Hard Rock Stadium. — Daniel Flick, AJC.com, 29 Aug. 2026

Verb

Fever fans could be heard booing Bonner at various times during Monday’s game at Gainbridge Fieldhouse in Indianapolis. — Tracy Brown, Los Angeles Times, 23 June 2026 This graduation season, tech leaders who invoke AI optimism in their commencement speeches are getting booed by classes entering the workforce with anxieties about what AI could mean for their job prospects. — Emma Bowman, NPR, 19 June 2026 See All Example Sentences for boo

Recent Examples of Synonyms for boo

Noun

The class had been quiet after the camp text, but now there was at least one snort.

— Literary Hub, Literary Hub, 10 July 2026
The Rodents of Unusual Size that attack Westley in a swamp work because they are played by small men in rodent suits, rather than coolly conjured from pixels; their deliberate artifice is the thrill, and Reiner provided the voice for their hideous snorts.

— Alexandra Schwartz, New Yorker, 17 Dec. 2025

Definition of snort

Verb

Yell, scream, jeer, cry, wail, plead—but don’t dare do it while the players are still hitting the ball.

— Corey Seymour, Vogue, 4 Sep. 2026
Somewhere in the middle were Arsenal, who explored making an offer for Alvarez while the situation was reaching its most arresting peak, with the 26-year-old striker roundly jeered by his own supporters at Atletico’s ground.

— Dermot Corrigan, New York Times, 3 Sep. 2026

Definition of jeer

Verb

Scientists previously created tiny diving suits for Madagascar hissing cockroaches that could be used in perilous search operations, according to a study published in the journal Nature Communications.

— Devika Rao, TheWeek, 3 Sep. 2026
But delivering that level of craft in a high-octane room where the hissing espresso machine competes with the bassline?

— Carly Boers, Chicago Tribune, 18 Aug. 2026

Definition of hiss

Noun

Orion gave a smirk and thumbs up to the camera while Keats made a funny face and stuck his tongue out.

— Kayla Grant, PEOPLE, 19 Aug. 2026
His trademark smirk and knowing stare are now feared by any opponent up against Norway, but don’t be fooled into thinking Haaland isn’t serious about his career.

— Ben Church, CNN Money, 11 July 2026

Definition of smirk

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Style

“Boo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/boo. Accessed 10 Sep. 2026.

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Synonyms of boo

noun

verb

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