ultrahigh

adjective

ul·​tra·​high ˌəl-trə-ˈhī How to pronounce ultrahigh (audio)
: extremely or extraordinarily high
ultrahigh speeds/temperatures
a car designed for ultrahigh performance
Eager to catch shoppers' eyes, television manufacturers are shipping TVs from the factory with brightness and contrast set ultrahigh.Evan Ramstad

Examples of ultrahigh 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.
The country has invested heavily in ultrahigh voltage transmission lines, which can carry electricity efficiently over long distances, and in all types of battery storage. Dan Wang, Foreign Affairs, 19 Aug. 2025 The final numbers include a max speed of Mach 0.94 (721 mph), an ultrahigh speed of Mach 0.92 (706 mph), and a standard cruise of Mach 0.85 (652 mph)—the latter delivering its benchmark range. Michael Verdon, Robb Report, 26 July 2025 Both versions also agree that the cap would begin to phase out among taxpayers who earn over $500,000 in income, meaning that ultrahigh earners would still be able to deduct only $10,000. Nathan Goldman, Forbes.com, 1 July 2025 The detector is also sensitive to ultrahigh energy cosmic rays that rain down on Earth and create a radio burst that acts like a flashlight beam of radio waves. Ashley Strickland, CNN Money, 20 June 2025 See All Example Sentences for ultrahigh

Word History

First Known Use

1822, in the meaning defined above

Time Traveler
The first known use of ultrahigh was in 1822

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Cite this Entry

“Ultrahigh.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrahigh. Accessed 9 Sep. 2025.

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