ultrahigh
adjective
ul·tra·high
ˌəl-trə-ˈhī 
: 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
Evan RamstadExamples of ultrahigh in a Sentence
Recent Examples on the Web
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
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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
Cite this Entry
“Ultrahigh.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrahigh. Accessed 18 Sep. 2025.
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