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

Over the coming weeks, Venus' crescent will grow ever thinner while its apparent size grows larger as the planet moves closer to Earth.

— Anthony Wood, Space.com, 18 Sep. 2026
Little by little as the day went on, the ranks of us still in the running grew thinner.

— Victor Garber, Vulture, 17 Sep. 2026

Definition of thin

Adjective

The males feed under a narrow, white, waxy coating and mate with females in spring.

— Tim Johnson, Chicago Tribune, 20 Sep. 2026
That changed in 2013, when a small, dark body orbiting between Saturn and Uranus passed in front of a star and blinked twice on either side of the main event, revealing two narrow rings around an object barely 250 kilometers across.

— Jacek Krywko, ArsTechnica, 19 Sep. 2026