Synonyms of high-speednext
1
: operated or adapted for operation at high speed
2
: relating to the production of short-exposure photographs of rapidly moving objects or events of short duration

Examples of high-speed in a Sentence

Recent Examples on the Web
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Newsom further revealed the limits of his rationality with his remarks on the high-speed rail boondoggle. Sal Rodriguez, Oc Register, 9 Jan. 2026 By the spring, the airline expects free high-speed Wi-Fi to be available on nearly every flight. Kelly McGreal, FOXNews.com, 9 Jan. 2026 This winter also marks the culmination of a massive 10-year development project, meaning visitors can now enjoy $150 million worth of tech upgrades and infrastructure improvements (including the world’s longest 8-seat high-speed chairlift). Condé Nast, Condé Nast Traveler, 9 Jan. 2026 This enables the system to balance power from unpredictable sources and divert electricity through diverse grids for high-speed protection and restoration. Ameya Paleja, Interesting Engineering, 8 Jan. 2026 See All Example Sentences for high-speed

Word History

First Known Use

1844, in the meaning defined at sense 1

Time Traveler
The first known use of high-speed was in 1844

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Cite this Entry

“High-speed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-speed. Accessed 13 Jan. 2026.

Kids Definition

high-speed

adjective
-ˈspēd
: going or made for operation at high speed

More from Merriam-Webster on high-speed

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