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

Cosmic ray experiments rely on accurate production models to interpret ultrahigh-energy signals from space, while dark matter detectors hunting rare antideuterons must distinguish them from backgrounds of interactions. —Tejasri Gururaj, Interesting Engineering, 29 Jan. 2026

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

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

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