: to knock out (as in boxing)
Examples of KO in a Sentence
Noun
He scored a KO in the second round.
Verb
He was KO'd in the second round.
Recent Examples on the Web
Todd Spangler, Variety, 31 Mar. 2026
Itauma turned pro three years ago in a debut KO victory that lasted just 23 seconds.
—ABC News, 28 Mar. 2026
Some pairs of 2022’s Lost and Found Air Jordan 1 were affected by mold issues, as was 2015’s Air Jordan 1 KO Bred.
—Riley Jones, Footwear News, 22 Feb. 2026
All matches of the UEFA Women’s Champions League KO Playoffs is streamable on Paramount+.
—Rudie Obias, HollywoodReporter, 11 Feb. 2026
Johnson owns the head-to-head KO, but Perez just smoked Johnson, giving Van new ammo while setting up future storylines between all three.
—Brian Mazique, Forbes.com, 25 Jan. 2026
And in March, coming after a successful first Bukhara Biennial, the Uzbek capital of Tashkent launches its Centre for Contemporary Arts in a tram depot reimagined by Studio KO, with Tadao Ando’s National Museum of Uzbekistan to follow.
—Cnt Editors, Condé Nast Traveler, 22 Jan. 2026
Joshua has had 32 total fights with 28 wins including 25 by KO.
—Peter White, Deadline, 17 Nov. 2025
But generally, most of the Panthers’ KO returns seems to be around the 30.
—Alex Zietlow, Charlotte Observer, 11 Nov. 2025
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Noun
Rabid Fans Katie Feeney – Snapchat The Trauma Behind the KO.
—Todd Spangler, Variety, 31 Mar. 2026
Itauma turned pro three years ago in a debut KO victory that lasted just 23 seconds.
—ABC News, 28 Mar. 2026
Some pairs of 2022’s Lost and Found Air Jordan 1 were affected by mold issues, as was 2015’s Air Jordan 1 KO Bred.
—Riley Jones, Footwear News, 22 Feb. 2026
All matches of the UEFA Women’s Champions League KO Playoffs is streamable on Paramount+.
—Rudie Obias, HollywoodReporter, 11 Feb. 2026
Johnson owns the head-to-head KO, but Perez just smoked Johnson, giving Van new ammo while setting up future storylines between all three.
—Brian Mazique, Forbes.com, 25 Jan. 2026
And in March, coming after a successful first Bukhara Biennial, the Uzbek capital of Tashkent launches its Centre for Contemporary Arts in a tram depot reimagined by Studio KO, with Tadao Ando’s National Museum of Uzbekistan to follow.
—Cnt Editors, Condé Nast Traveler, 22 Jan. 2026
Joshua has had 32 total fights with 28 wins including 25 by KO.
—Peter White, Deadline, 17 Nov. 2025
But generally, most of the Panthers’ KO returns seems to be around the 30.
—Alex Zietlow, Charlotte Observer, 11 Nov. 2025
Cite this Entry
“KO.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/KO. Accessed 4 Apr. 2026.
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