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.
But if the star’s low-rise style isn’t your thing, opt for these classic jeans that are designed with an ultrahigh waistline that couldn’t be more flattering. — Kyra Surgent, InStyle, 28 Jan. 2026 The group provides education, insights and guidance to ultrahigh net worth families. — Kamaron McNair, CNBC, 14 Feb. 2026 The trap also maintains an ultrahigh vacuum so that there’s no chance that any regular particles will collide with the antiparticles. — Emma Gometz, Scientific American, 25 Mar. 2026 The technique functions in ultrahigh vacuum, with pure elements in separate containers heated on one end of the vacuum. — IEEE Spectrum, 24 Sep. 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

Phrases Containing ultrahigh

Rhymes for ultrahigh

See All Rhymes for ultrahigh

Browse Nearby Words

ultraheavy
ultrahigh
ultrahigh frequency
See all Nearby Words

Cite this Entry

“Ultrahigh.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrahigh. Accessed 7 Jul. 2026.

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