: 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
Brian Mazique, Forbes.com, 20 June 2026
It’s commonly known as a walkoff KO, and O’Malley has mastered the celebration in recent years.
—Mark Puleo, New York Times, 15 June 2026
After a depressing four-year hiatus, Bus Palladium has been transformed into a 35-room luxury hotel with a bar, restaurant, and club by building owner Christian Casmèze and hotelier Nicolas Saltiel, with architecture and interiors by the design firm Studio KO.
—Alexander Lobrano, Air Mail, 6 June 2026
The challenge of doing so, however, was twofold, says Karl Fournier, co-founder of Studio KO.
—Lindsey Tramuta, Travel + Leisure, 23 May 2026
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
Watch select matches of the UEFA Women’s Champions League KO Playoffs on DirecTV.
—Rudie Obias, HollywoodReporter, 11 Feb. 2026
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Noun
The Brazilian was quietly removed from the roster after going 8-8 across 16 Octagon trips, with his final two bouts ending in a Round 1 KO loss to Jared Gordon and an April split-decision defeat to Gauge Young.
—Brian Mazique, Forbes.com, 20 June 2026
It’s commonly known as a walkoff KO, and O’Malley has mastered the celebration in recent years.
—Mark Puleo, New York Times, 15 June 2026
After a depressing four-year hiatus, Bus Palladium has been transformed into a 35-room luxury hotel with a bar, restaurant, and club by building owner Christian Casmèze and hotelier Nicolas Saltiel, with architecture and interiors by the design firm Studio KO.
—Alexander Lobrano, Air Mail, 6 June 2026
The challenge of doing so, however, was twofold, says Karl Fournier, co-founder of Studio KO.
—Lindsey Tramuta, Travel + Leisure, 23 May 2026
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
Watch select matches of the UEFA Women’s Champions League KO Playoffs on DirecTV.
—Rudie Obias, HollywoodReporter, 11 Feb. 2026
Cite this Entry
“KO.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/KO. Accessed 23 Jun. 2026.
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