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
-
Padres starter Nick Pivetta, with personal catcher Elias Díaz sidelined by an oblique injury, threw five largely spotless innings to Freddy Fermin.—
Dennis Lin,
New York Times,
1 Oct. 2025
-
Still, Brown appeared to vent his frustrations with a quote on X after his team moved to 4-0, one of at least two teams with spotless records through the first four games of the 2025 season.—
Josh Buckhalter,
MSNBC Newsweek,
28 Sep. 2025
Adjective
-
That's right—a clean, nonpartisan funding bill.—
Shane Croucher,
MSNBC Newsweek,
1 Oct. 2025
-
This change limited the state's ability to secure federal funds for energy efficiency projects, address emissions of climate-warming air pollutants at a statewide level, or promote cleaner technologies that don't rely on fossil fuels.—
Joan Meiners,
AZCentral.com,
1 Oct. 2025
Adjective
-
Our field was immaculate and our team always looked great; first-class uniforms.—
John Maffei,
San Diego Union-Tribune,
15 Sep. 2025
-
Kyle Schwarber's fit with the Philadelphia Phillies is immaculate, but 29 other teams will get the chance to bid on him this winter anyway.—
Jackson Roberts,
MSNBC Newsweek,
12 Sep. 2025
Adjective
-
While the cast-iron seasoning process is more complicated than maintaining other cookware like carbon-steel pans or stainless-steel ones, don’t stress.—
Julie Harans,
Bon Appetit Magazine,
1 Oct. 2025
-
The vehicle consists of two stainless-steel elements, both of which are designed to be fully reusable — a first-stage booster called Super Heavy and an upper stage known as Starship, or Ship for short.—
Mike Wall,
Space.com,
30 Sep. 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 8 Oct. 2025.
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