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

Days turn crisp, aspens begin streaking the valley with gold and summer crowds thin in Grand Teton National Park.

— Brittany Anas, Forbes.com, 30 Aug. 2026
Unlike mainstream fusion projects such as tokamaks, the Texatron does not rely on giant superconducting magnets to hold a thin gas in place for long periods.

— Aman Tripathi, Interesting Engineering, 30 Aug. 2026

Definition of thin

Adjective

The tall, slender Berry imagined, chronicled and lived out his vision of a self-sustaining community in which no one had to ask where their food came from or the names of their neighbors.

— ABC News, ABC News, 31 Aug. 2026
Several other curved, slender bones were soon found nearby, according to pictures shared with the station.

— Elizabeth Wolfe, CNN Money, 21 Aug. 2026

Definition of slender

Adjective

Burner accounts from China and Russia And those partnership ads are channeled through a narrow group of creators, ORL says.

— Jim Edwards, Fortune, 31 Aug. 2026
Just like their simulated counterparts, the worms consistently moved through the narrower channels faster than the wider ones.

— K. R. Prathyusha, The Conversation, 31 Aug. 2026