as in high-speed
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Recent Examples of ultrafast
Specifically, femtosecond lasers, which emit ultrafast light pulses.
—
Alex Knapp, Forbes.com, 20 Feb. 2026
Treutelaar also has the typical tools, including ultrafast hand-to-hand snap times and pinpoint accuracy.
—Steve Reaven, Chicago Tribune, 5 Feb. 2026
Compare that to 37 miles per second for the swift Perseids, 41 for the very swift Orionids, and 45 for the ultrafast Leonids.
—Joe Rao, Space.com, 7 Dec. 2025
Amazon is simultaneously piloting new logistics models aimed at ultrafast delivery, including Amazon Now, a service that promises 30-minute delivery of groceries and household items in select parts of Seattle and Philadelphia.
—Associate News Editor, MSNBC Newsweek, 4 Dec. 2025
See All Example Sentences for ultrafast
Alex Knapp, Forbes.com, 20 Feb. 2026
Treutelaar also has the typical tools, including ultrafast hand-to-hand snap times and pinpoint accuracy.
—Steve Reaven, Chicago Tribune, 5 Feb. 2026
Compare that to 37 miles per second for the swift Perseids, 41 for the very swift Orionids, and 45 for the ultrafast Leonids.
—Joe Rao, Space.com, 7 Dec. 2025
Amazon is simultaneously piloting new logistics models aimed at ultrafast delivery, including Amazon Now, a service that promises 30-minute delivery of groceries and household items in select parts of Seattle and Philadelphia.
—Associate News Editor, MSNBC Newsweek, 4 Dec. 2025
See All Example Sentences for ultrafast
Recent Examples of Synonyms for ultrafast
Adjective
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Aurora police are investigating a high-speed crash that killed one person late Friday night.—
Christa Swanson,
CBS News,
18 Apr. 2026
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Looking five years into the future, Young believes that massive, high-speed screening will become routine.—
Christopher McFadden,
Interesting Engineering,
17 Apr. 2026
Adjective
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This season, the Jets are No. 22 in rush EPA defense, surrendering 4.24 yards per carry and 104.6 rush yards per game to running backs.—
Brad Evans,
New York Times,
13 Nov. 2025
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The Titans’ defense is 24th in rush EPA per play and 11th in rush success rate.—
Doug Kyed,
Boston Herald,
18 Oct. 2025
Cite this Entry
“Ultrafast.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultrafast. Accessed 23 Apr. 2026.
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