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

The case arose after a patient entered a fertility clinic’s cryogenic storage area and dropped a container holding frozen embryos.

— Risa Cromer, The Conversation, 17 July 2026
On Earth, that requires cryogenic liquids, which are ill-suited for a satellite.

— Victor Tangermann, Futurism, 9 July 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

Far better was his save in a freezing Vienna in December 1996 against Rapid in the Champions League, which delighted the 5,000 travelling United fans and stunned the Austrians.

— Andy Mitten, New York Times, 27 July 2026
For even more dramatic alpine scenery, make the drive to Glacier National Park to hike beneath glaciers, spot rushing waterfalls fed by ancient ice fields, and brave a freezing cold plunge in an aquamarine glacier lake.

— Alexandra Emanuelli, Travel + Leisure, 13 July 2026

Definition of freezing

Adjective

These women of the W aren’t the only professional athletes to point out their icy relationship with their commissioner.

— Candace Buckner, New York Times, 27 July 2026
For an additional pop of color, Cardi wore her hair in an icy blue bob that was parted to the side and curled under at the ends.

— Catherine Santino, PEOPLE, 27 July 2026

Definition of icy

Adjective

It was instead caused by cold air plummeting to the ground from the upper levels of a passing thunderstorm, experts says.

— Mark Price July 30, Charlotte Observer, 30 July 2026
For lunch, head outside to The Pocket pool bar and lounge for fish tacos and a cold beer.

— Condé Nast, Condé Nast Traveler, 29 July 2026

Definition of cold

Adjective

From the polar regions of Russia, Norway, Canada and Alaska, scientists took thousands of permafrost samples, measured the weight and burnt them at around 850 degrees Fahrenheit, then measured the weight of the rocks and minerals that didn’t burn.

— Denise Hruby, Miami Herald, 31 July 2026
In The Last Person on Earth, Perel and a team of matchmakers will bring together couples who appear to be polar opposites, before embarking on an adventure in one of the world’s most romantic and remote destinations.

— Max Goldbart, Deadline, 23 July 2026

Definition of polar

Adjective

Move the animal into shade or air conditioning, regulate its temperature with cool, not ice-cold, water and head to the nearest veterinary clinic while continuing cooling efforts during the trip.

— Lauren Paige Richeson, USA Today, 21 July 2026
The ice-cold beer, friendly service and surfer vibes are the perfect way to kick off any beach weekend.

— Katie Riley, Southern Living, 15 July 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 4 Aug. 2026.

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Synonyms of ultracold

adjective

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