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

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

Backstage, Punk had a friendly, if not icy, exchange with Damian Priest.

— Alfred Konuwa, Forbes.com, 18 July 2026
The Perseid meteor shower is finally active, bringing the potential for gorgeous shooting stars and fireballs as Earth plunges into the trail of debris shed by the icy comet Swift-Tuttle.

— Anthony Wood, Space.com, 17 July 2026

Definition of icy

Adjective

Inspectors also noticed that cold foods were being held at incorrect temperatures, according to the report.

— Lillie Davidson, Fort Worth Star-Telegram, 15 July 2026
Ceviche arrives bright and cold, sharpened by citrus, softened by fresh seafood, and lifted with herbs and heat.

— Rafael Peña, Miami Herald, 15 July 2026

Definition of cold

Adjective

When parents say no Nick, a 36-year-old who works in environmental compliance, has the polar opposite experience.

— Elisabeth Buchwald, CNN Money, 18 July 2026
During the current cycle, strong geomagnetic storms have repeatedly sent auroras far beyond their usual polar skies.

— Samantha Mathewson, Space.com, 17 July 2026

Definition of polar

Adjective

With Nowhere To Be If a typical beach town is laid-back, then Grayton Beach is fully reclining—in a hammock, with an ice-cold margarita in hand.

— Kaitlyn Yarborough, Southern Living, 10 July 2026
This maxi sundress from Merokeety is perfect for sipping on an Aperol Spritz on the Amalfi Coast, or simply enjoying an ice-cold lemonade at a backyard soirée.

— Melony Forcier, Travel + Leisure, 10 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 21 Jul. 2026.

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Synonyms of ultracold

adjective

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