ULTRACOLD Synonyms: 90 Similar and Opposite Words

ultracold

adjective

Definition of ultracold

as in cryogenic

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of ultracold There, the trio tinkered with ultracold electronics to show that unruly quantum effects could be made macroscopic and controlled. — Dan Garisto, Scientific American, 7 Oct. 2025 The biggest challenge is that the property was observed at ultracold temperatures of about 60 kelvins (-351 °F/-213 °C). — Abhimanyu Ghoshal, New Atlas, 13 June 2025 Its infrared sensors, its ultracold location in space, and its sunshield — which blocks the light of the sun, moon and Earth — are uniquely suited to resolve the first galaxies and their stars. — Rebecca Boyle, Quanta Magazine, 9 Oct. 2024 The number of ultracold atoms in the resulting Bose-Einstein condensate was measured and fed back to the player as a score. — IEEE Spectrum, 22 Oct. 2019 See All Example Sentences for ultracold

Recent Examples of Synonyms for ultracold

Adjective

The head of the facility, Rowan LaFontaine (Lexa Doig), wants to put him in a cryogenic chamber, but the government has other plans for him.

— Sergio Pereira, Space.com, 29 Oct. 2026
A lot of uncertainty remains in the lift capacity of Starship, as well as in how much cryogenic methane and liquid oxygen will boil off in orbit and how efficient the process of transferring propellants from one ship to another will be.

— Eric Berger, ArsTechnica, 23 Oct. 2026

Definition of cryogenic

Adjective

Drawing on his time doing drag in Toronto, Shatford paid homage to the dedication needed to dress up in subzero temperatures.

— Violet Goldstone, Footwear News, 5 June 2026
As the episode makes clear, fishing this far north comes with brutal conditions, including shallow waters, towering waves and subzero temperatures.

— Deirdre Durkan, PEOPLE, 7 May 2026

Definition of subzero

Adjective

Despite the freezing temperatures, agents confiscated the migrants’ coats and refused to give them blankets.

— Francisco Cantú, New Yorker, 2 Nov. 2026
The beautiful, bright, and incredibly chic three-story abode leads up to a private roof terrace covered in pines with a freezing plunge pool at its center, and an unassuming wooden door that leads to a private sauna.

— Condé Nast, Condé Nast Traveler, 22 Oct. 2026

Definition of freezing

Adjective

Tennis superstar Serena Williams just updated her look for winter, showing off an icy blond look as her color for the season.

— Arushi Jacob, Footwear News, 30 Oct. 2026
Roads could remain icy through Sunday, so be mindful of driving conditions in the Sierra into early next week.

— Sean Macaday, Sacbee.com, 30 Oct. 2026

Definition of icy

Adjective

And without colder weather, where the temperatures drop and stay below zero, the result will likely be a smaller snowpack.

— Ava Berger, NPR, 29 Oct. 2026
How bad the flu season gets each year depends on factors such as the dominant flu strain, how well the annual vaccine matches it, how many people get vaccinated, tourism levels, and how much cold weather leads to more indoor gatherings.

— Cindy Krischer Goodman, Sun Sentinel, 28 Oct. 2026

Definition of cold

Adjective

For quieter hours, there is a second-floor polar library stocked with field guides and maritime histories, as well as an upper-level observation lounge opening onto an open-air viewing deck.

— Liam Hess, Vogue, 29 Oct. 2026
Moscow and Beijing last week have agreed to expand freight traffic along Arctic shipping corridors, increase services between their ports and deepen cooperation on building polar vessels.

— Lee Ying Shan,Matthew Tan, CNBC, 27 Oct. 2026

Definition of polar

Adjective

There is nothing better than sitting in the Chili's bar on a college football Saturday afternoon, ordering some chips and salsa and an ice-cold Coke and just soaking in the ambience.

— Austin Perry OutKick, FOXNews.com, 28 Oct. 2026
Book a table at Supernormal, Andrew McConnell’s cult Melbourne import serving up lobster rolls and ice-cold martinis.

— Alli Forde, Travel + Leisure, 17 Oct. 2026

Definition of ice-cold

Adjective

Dropping in a light arctic gray and black colorway first, the sneaker is aesthetically defined by an abstract undulating design.

— Jaden Thompson, Footwear News, 19 Oct. 2026
Justin Sauers, the tower’s operator, opened a door in the cabin to greet Donnelly, releasing an arctic blast.

— Robert Sullivan, New Yorker, 17 Aug. 2026

Definition of arctic

Browse Nearby Words

ultraclean

ultracold

ultracompetent

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“Ultracold.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultracold. Accessed 3 Nov. 2026.

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Synonyms of ultracold

adjective

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