ULTRACOLD Synonyms: 90 Similar and Opposite Words

ultracold

adjective

Definition of ultracold

as in cryogenic

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Example Sentences

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

On Earth, that requires cryogenic liquids, which are ill-suited for a satellite.

— Victor Tangermann, Futurism, 9 July 2026
Even in the modern era, few mortals can achieve such milestone anniversaries, at least not without the help of a cryogenic freezer.

— Hillary Busis, Vanity Fair, 22 June 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

If freezing temperatures are predicted, pick any ripe fruit and cover the trunks of young trees with burlap or newspaper to insulate them.

— Mary Marlowe Leverette, The Spruce, 4 July 2026
The injured climber couldn’t continue, forcing the pair to spend a freezing night on the mountain with limited supplies.

— James Ward, USA Today, 2 July 2026

Definition of freezing

Adjective

Alaska is a state of pure beauty—a vast, beautiful destination filled with icy fjords and snowy peaks.

— Condé Nast Traveler, Condé Nast Traveler, 7 July 2026
More crucially, it was used during a sequence set along an icy river while George Washington is traversing the uncharted Ohio Territory wilderness.

— Brian Welk, IndieWire, 7 July 2026

Definition of icy

Adjective

Keep your ride clean Over the life of owning a car, especially in colder areas, salt and road grime can dull paint and cause rust on the underbody of your vehicles, according to Consumer Reports.

— Keith Laing, USA Today, 8 July 2026
The clinical home ecosystem has become the defining phrase of the 2025 to 2026 wellness spending cycle, as buyers stack cold plunges, red light beds and neurotech into serious at-home recovery setups.

— Samantha Agate, Fort Worth Star-Telegram, 8 July 2026

Definition of cold

Adjective

Hughes plays Laura’s older sister (and polar opposite), Mary Ingalls.

— Brianna Zigler, Entertainment Weekly, 9 July 2026
Moscow has also sought to boost its military presence in the polar region, home to its Northern Fleet and a site where the Soviet Union tested nuclear weapons.

— Danica Kirka, Los Angeles Times, 8 July 2026

Definition of polar

Adjective

Instead of making frantic runs for burger buns, charcoal and ice-cold drinks, Walmart+ members can have all their summer cookout essentials dropped right at their door, often the same day, with no delivery fee on eligible orders.

— Rachel Cortez, USA Today, 2 July 2026
On a hot day, with the Reon set to maximum cooling, the plate became ice-cold.

— Andrew Gebhart, PC Magazine, 30 June 2026

Definition of ice-cold

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 13 Jul. 2026.

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Synonyms of ultracold

adjective

Example Sentences

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