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 at the National University of Singapore (NUS) have developed an ultrathin, flexible electronic skin that lights up when touched, revealing exactly where pressure is being applied and how much, sort of like a skin with a screen. — New Atlas, 27 Oct. 2026 It is coated with an ultrathin film of glass or metal, glazed with photosensitive chemicals, and then passed through a lithography machine. — Gideon Lewis-Kraus, New Yorker, 19 Oct. 2026 This ultrathin material can line the inside of slim smartphones, smartwatches, wearable health trackers, and foldable tablets. — Mrigakshi Dixit, Interesting Engineering, 21 Sep. 2026 See All Example Sentences for ultrathin

Recent Examples of Synonyms for ultrathin

Adjective

The team’s mesh consists of a grid of ultrathin ribbons of polymer with a thin conductive wire of platinum running through them.

— Edd Gent, IEEE Spectrum, 29 Oct. 2026
Scientists fired terahertz radiation, a form of low-frequency invisible light, straight through the ultra-thin samples.

— Aman Tripathi, Interesting Engineering, 29 Oct. 2026

Definition of thin

Adjective

However, the Camille features a discreet and comfortable one-inch heel for a modern and slender silhouette that lifts the feet slightly off the ground.

— Karla Rodriguez, Footwear News, 20 Oct. 2026
Some of them have panoramic views of white windmills, which dot the coastline of the Taiwan Strait like slender sentries.

— Gideon Lewis-Kraus, New Yorker, 19 Oct. 2026

Definition of slender

Adjective

Those qualities are attractive, but concentrating exclusively on them directs many investors toward the same narrow set of service companies.

— Chris Russo, Sportico.com, 24 Oct. 2026
The winning architecture is a stack of narrow intelligences pointed at what each one is good at, coordinated through a harness that knows which one to use when.

— Stephen Messer, Fortune, 23 Oct. 2026