ultrafast
adjective
ul·tra·fast
ˌəl-trə-ˈfast 
: extremely or extraordinarily fast
ultrafast trains
ultrafast speeds
an ultrafast wireless connection
Examples of ultrafast in a Sentence
Recent Examples on the Web
That includes research on ultrafast lasers in the 1990s that eventually resulted in bladeless LASIK eye surgery, or radar technology in the 1960s that revolutionized weather prediction three decades later.
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Aatish Bhatia, New York Times, 22 May 2025
Until now, hummingbirds have drawn the most attention for their iridescent plumage and flight feathers that allow for ultrafast wingbeats.
—Elizabeth Rayne, ArsTechnica, 4 Apr. 2025
Beyond that, generative AI could leverage these systems to create high-fidelity simulations or perform ultrafast inferences in scenarios requiring split-second decisions, such as autonomous vehicles.
—The Physics Arxiv Blog, Discover Magazine, 16 Jan. 2025
These surfaces inhibit bacterial attachment, growth, and proliferation by using ultrafast lasers to modify the metal at a microscopic level.
—Jenny Lehmann, Discover Magazine, 26 Feb. 2025
See All Example Sentences for ultrafast
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Aatish Bhatia, New York Times, 22 May 2025
Until now, hummingbirds have drawn the most attention for their iridescent plumage and flight feathers that allow for ultrafast wingbeats.
—Elizabeth Rayne, ArsTechnica, 4 Apr. 2025
Beyond that, generative AI could leverage these systems to create high-fidelity simulations or perform ultrafast inferences in scenarios requiring split-second decisions, such as autonomous vehicles.
—The Physics Arxiv Blog, Discover Magazine, 16 Jan. 2025
These surfaces inhibit bacterial attachment, growth, and proliferation by using ultrafast lasers to modify the metal at a microscopic level.
—Jenny Lehmann, Discover Magazine, 26 Feb. 2025
See All Example Sentences for ultrafast
Cite this Entry
“Ultrafast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrafast. Accessed 1 Jun. 2025.
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