high-speed

adjective

ˈhī-ˈspēd How to pronounce high-speed (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Lasers currently dominate many high-speed optical connections. — Aamir Khollam, Interesting Engineering, 30 Oct. 2026 Spain's rail system operator Adif said the crash occurred Wednesday morning in the central province of Toledo, involving two high-speed trains carrying hundreds of passengers and heading south in the same direction from Madrid to Seville. — Joseph Wilson, Arkansas Online, 29 Oct. 2026 The European country only legally opened its domestic commercial high-speed passenger rail market to private competitors in December 2020, and Iryo became one of the commercial high-speed operators in Spain in 2022. — Chad De Guzman, Time, 29 Oct. 2026 During the two-day meeting, the board also approved a contract with Siemens Mobility to design and manufacture three high-speed trainsets. — Los Angeles Times, 29 Oct. 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

Rhymes for high-speed

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Browse Nearby Words

high-sounding
high-speed
high-speed steel
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Cite this Entry

“High-speed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/high-speed. Accessed 1 Nov. 2026.

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Kids Definition

high-speed

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

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