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

Examples of ultrahigh in a Sentence

Recent Examples on the Web

But in recent years, the relatively tiny ultrahigh-end segment of the all-inclusive sector has rocketed from tourism’s bottom-dweller to luxe travel industry darling. —Adam Erace, Fortune, 21 Nov. 2025

This trade-off may not be a major obstacle for using these batteries in drones or grid-level energy storage, where ultrahigh energy densities are less critical. —Golareh Jalilvand, The Conversation, 12 Nov. 2025

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

Word History

First Known Use

1822, in the meaning defined above

Phrases Containing ultrahigh

• ultrahigh frequency

Rhymes for ultrahigh

• abscissae
• alibi
• alkali
• alumni
• amoebae
• amplify
• annuli
• beautify
• brachii
• butterfly
• calculi
• certify