ULTRATHIN Synonyms: 50 Similar and Opposite Words

ultrathin

adjective

ˌəl-trə-ˈthin

Definition of ultrathin

as in thin

being of less than usual width a new generation of flat-panel TVs that were ultrathin

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Example Sentences

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Recent Examples of ultrathin Researchers have developed a method that can generate a large, uniform area of ultrathin superconducting material that remains stable in air. — Prabhat Ranjan Mishra, Interesting Engineering, 6 Aug. 2026 The researchers fabricated ultrathin perovskite absorber layers measuring just 10 nanometers thick while still retaining useful photovoltaic performance. — New Atlas, 26 May 2026 The startup Science has built an ultrathin, wireless microchip to replace the function of these photoreceptors. — Bloomberg, Mercury News, 11 May 2026 Rather than an entry-level option, however, it was positioned as a more advanced, ultrathin device, costing more than the MacBook Air at the time. — Luke Larsen, Wired News, 4 Mar. 2026 See All Example Sentences for ultrathin

Recent Examples of Synonyms for ultrathin

Adjective

Farinacci often spent days and even weeks scouting potential fire locations, monitoring weather and wildfire data, and planning to set multiple fires to stretch firefighting resources thin, according to detectives.

— Cindy Von Quednow, CNN Money, 10 Aug. 2026
Those moments are sobering reminders of just how thin the margins are for the Phillies rotation, which has been excellent for the most part, though extremely top-heavy.

— Charlotte Varnes, New York Times, 9 Aug. 2026

Definition of thin

Adjective

Totality — when the sun is completely obscured — is only visible within the narrow path of the moon's shadow.

— Daisy Dobrijevic, Space.com, 10 Aug. 2026
The part east of West Broadway that bleeds into the grit of the Financial District, the skyscrapers so tall and the streets so narrow that sunlight doesn’t reach much at all.

— Elise Taylor, Vanity Fair, 10 Aug. 2026