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 This ultrathin material can line the inside of slim smartphones, smartwatches, wearable health trackers, and foldable tablets. — Mrigakshi Dixit, Interesting Engineering, 21 Sep. 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

BioNxt Solutions is developing a sublingual semaglutide thin-film platform and reported moving its program into active pharmaceutical development in 2026.

— Samantha Agate, Charlotte Observer, 8 Oct. 2026
The launch shows that Innovera can be cut into thin strips and woven without immediately losing its structure.

— Alexandra Harrell, Footwear News, 8 Oct. 2026

Definition of thin

Adjective

Description This perennial member of the Fabaceae family produces long, slender vines that climb by twining or spread horizontally along the ground.

— Encyclopedia Britannica, Encyclopedia Britannica, 9 Oct. 2026
Also new, the Venantia collection reprised the codes of the Diane design but in slender proportions, while the Apolloni line inspired by an 18th-century travel bag expanded to include a luxe leather weekender.

— Sandra Salibian, Footwear News, 7 Oct. 2026

Definition of slender

Adjective

Despite steady attacks from Iran, oil tankers and other commercial vessels have continued flowing through the narrow waterway.

— Jason Ma, Fortune, 10 Oct. 2026
Acton holds a narrow edge over Republican firebrand Vivek Ramaswamy, while Kaptur is contending with a tough reelection battle after Ohio Republicans redrew the boundaries of the longtime congresswoman’s district to pull in more GOP voters.

— Mia Cathell, The Washington Examiner, 9 Oct. 2026