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 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 To get the look, shape your natural nails as desired, apply a nude or light pink base, and trace the top of the nail in an ultrathin line. — Laura Solla, Glamour, 4 Feb. 2026 See All Example Sentences for ultrathin

Recent Examples of Synonyms for ultrathin

Adjective

It is composed of extremely thin layers of iron selenide, or FeSe, which are embedded repeatedly throughout a much larger three-dimensional crystal.

— Christopher McFadden, Interesting Engineering, 19 July 2026
Those areas are likely be less impressive in the thin air of the vehicle’s namesake town.

— James Raia, Mercury News, 19 July 2026

Definition of thin

Adjective

The sandals feature simple, elegant lines that come together in an innovative design, characterized by a slender strap that starts as a slingback and wraps around the foot, culminating in a wavy design over the toe.

— Karla Rodriguez, Footwear News, 21 July 2026
The image depicts a fairly slender-looking screen-free wearable, but one that looks distinctly wider than the Fitbit Air.

— Andrew Williams, Forbes.com, 20 July 2026

Definition of slender

Adjective

That ought to be advantageous for the Spaniard, who seemed too often to run aground when trapped inside in a more narrow system.

— Matt Woosnam, New York Times, 21 July 2026
But the school board is the most notable exception, where Republicans cling to a narrow 4-3 majority after years of bruising elections.

— Greg Bluestein, AJC.com, 21 July 2026