ul·​tra·​fast ˌəl-trə-ˈfast How to pronounce ultrafast (audio)
: extremely or extraordinarily fast
ultrafast trains
ultrafast speeds
an ultrafast wireless connection

Examples of ultrafast in a Sentence

Recent Examples on the Web In cities where a single company controls the supply of ultrafast internet and overcharges for service, costs can become a problem. Konrad Putzier, WSJ, 9 Feb. 2022 The Royal Swedish Academy of Sciences has awarded the 2023 Nobel Prize in Physics to three scientists who used ultrafast pulses of light to do just that with a technique known as attosecond spectroscopy. Jennifer Ouellette, Ars Technica, 3 Oct. 2023 These ultrafast wingbeats are present in at least four major insect groups, including mosquitos, bees, beetles, and true bugs or hemipterans. Rupendra Brahambhatt, Ars Technica, 16 Oct. 2023 Access to cheap, reliable and ultrafast internet is crucial to most companies. Konrad Putzier, WSJ, 9 Feb. 2022 Indeed, speaking of stuff, Shein, the biggest and fastest of the ultrafast fashion giants, recently valued at $66 billion, reportedly filed to go public, suggesting that no one thinks the consumption model is going away any time soon. Vanessa Friedman, New York Times, 19 Dec. 2023 These distortions also mean that ultrafast flashes could also be used as astrophysical probes to study the clouds of gas and dust that a radio burst passes through between its source and the Earth, says Jason Hessels, a colleague of Snelders’ at the University of Amsterdam. WIRED, 25 Oct. 2023 Additionally, the researchers are interested in looking more deeply within the different ultrafast flapping groups. Rupendra Brahambhatt, Ars Technica, 16 Oct. 2023 But a group of scientists will receive the 2023 Nobel Prize in physics for research that essentially follows the movement of electrons using ultrafast laser pulses, like capturing frames in a video camera. Niranjan Shivaram, The Conversation, 4 Oct. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ultrafast.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1883, in the meaning defined above

Time Traveler
The first known use of ultrafast was in 1883

Dictionary Entries Near ultrafast

Cite this Entry

“Ultrafast.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrafast. Accessed 21 Feb. 2024.

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