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
In the upper section of the device, an ultrahigh-vacuum chamber maintains these extreme cooling conditions while ensuring the atoms remain perfectly isolated from any external disturbances that could compromise their precision.
—Georgina Jedikovska, Interesting Engineering, 29 Oct. 2025
The technique functions in ultrahigh vacuum, with pure elements in separate containers heated on one end of the vacuum.
—IEEE Spectrum, 24 Sep. 2025
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
See All Example Sentences for ultrahigh
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Georgina Jedikovska, Interesting Engineering, 29 Oct. 2025
The technique functions in ultrahigh vacuum, with pure elements in separate containers heated on one end of the vacuum.
—IEEE Spectrum, 24 Sep. 2025
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
See All Example Sentences for ultrahigh
Cite this Entry
“Ultrahigh.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrahigh. Accessed 3 Nov. 2025.
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