as in spotless
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Recent Examples of ultraclean
In this program, the ESA Web TV crew travel back to Turin, Italy, to talk to the teams and watch as new tests are being conducted with the rover’s Earth twin, Amalia, while the real rover remains carefully stored in an ultraclean room.
—
IEEE Spectrum, 22 Mar. 2023
Clean Whipped Clay Detox Face Mask leaves your face feeling ultraclean but not stripped dry.
—Allure Editors, Allure, 13 Sep. 2022
They are made on gigantic, ultraclean factory room floors that can be seven stories tall and run the length of four football fields.
—New York Times, 8 Apr. 2022
The chalk-size core will be stored in an ultraclean metallic tube, one of 38 samples that the rover eventually collects, with about 30 of those likely to be returned to Earth by later missions.
—Paul Voosen, Science | AAAS, 21 July 2021
Recipharm is hiring around 65 workers and training them to work in the ultraclean conditions of its production lines.
—Joseph Walker, WSJ, 19 Dec. 2020
IEEE Spectrum, 22 Mar. 2023
Clean Whipped Clay Detox Face Mask leaves your face feeling ultraclean but not stripped dry.
—Allure Editors, Allure, 13 Sep. 2022
They are made on gigantic, ultraclean factory room floors that can be seven stories tall and run the length of four football fields.
—New York Times, 8 Apr. 2022
The chalk-size core will be stored in an ultraclean metallic tube, one of 38 samples that the rover eventually collects, with about 30 of those likely to be returned to Earth by later missions.
—Paul Voosen, Science | AAAS, 21 July 2021
Recipharm is hiring around 65 workers and training them to work in the ultraclean conditions of its production lines.
—Joseph Walker, WSJ, 19 Dec. 2020
Recent Examples of Synonyms for ultraclean
Adjective
-
There was no loss of expressivity in the process; the images became all the more overwhelming when they were seen through spotless glass.—
Alex Ross,
New Yorker,
21 Oct. 2025
-
Unfortunately, Eufy’s record isn’t spotless.—
BestReviews,
Mercury News,
14 Oct. 2025
Adjective
-
The home boasts clean lines, a sprawling backyard featuring a fire pit and a pool, as well as a home gym.—
Madison E. Goldberg,
PEOPLE,
23 Oct. 2025
-
Some of these mountainsides have dislodged themselves deep in the bedrock, causing the face of a mountain to shear clean off — as has happened at least twice in the last two years.—
Ella Nilsen,
CNN Money,
22 Oct. 2025
Adjective
-
Many reviewers credited the beach’s immaculate facilities and amenities— including bathrooms, charcoal grills, tables, and picnic pavilions—for making their visits true trips to paradise.—
Lydia Price,
Travel + Leisure,
22 Oct. 2025
-
But with Mayfield playing immaculate hero ball, those issues are less important than the fact that Tampa’s young (and now injured) secondary is exactly the type of game the Lions prefer to hunt.—
J.J. Bailey,
New York Times,
19 Oct. 2025
Adjective
-
An adjacent dining area connects to a kitchen outfitted with sleek white cabinetry, a central island, stainless appliances, a breakfast nook, and access to a barbecue area.—
Wendy Bowman,
Robb Report,
21 Oct. 2025
-
Windows on the second floor of the club resemble stainless glass.—
Miami Herald,
Miami Herald,
18 Oct. 2025
Adjective
-
Ghibli managed to do it in a way that was relatively independent and unsullied of that business.—
Ryan Gaur,
IndieWire,
10 June 2025
-
The crux of the change for Tarantino is that the experience of theater is still unsullied, whereas with movies, people are on their phones and the theatrical window is teeny tiny.—
Jason P. Frank,
Vulture,
28 Jan. 2025
Adjective
-
Keep your refrigerator spick-and-span by washing produce drawers with hot water and soap, and spraying all surfaces down with a disinfecting (but non-toxic and food-friendly) vinegar solution.—
Elizabeth Brownfield,
Southern Living,
19 July 2025
-
This compound has antimicrobial properties that leave your grill spick-and-span.—
Sam Stone,
Bon Appétit,
21 June 2023
Adjective
-
Traces of arecoline, a stimulant exclusively found in betel nuts, were present in all the reference samples and in three archaeological samples that came from the unstained teeth of a woman.—
Elizabeth Rayne,
ArsTechnica,
19 Aug. 2025
-
The underlying regular paint should remain undamaged and unstained, although Glasst does advise testing Unpaint in one small area before applying it to a whole wall.—
Ben Coxworth,
New Atlas,
10 Sep. 2024
Adjective
-
Whoever wins cleanly leaves with both the championship belts.—
Matthew Couden,
MSNBC Newsweek,
17 Sep. 2025
-
The folding handles close away neatly into side recesses to create flush sides that store cleanly side by side.—
New Atlas,
New Atlas,
4 June 2025
Cite this Entry
“Ultraclean.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultraclean. Accessed 29 Oct. 2025.
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