ultraclean

adjective

Definition of ultracleannext
as in spotless

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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 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, 17 Mar. 2023 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
  1. spotless
  2. clean
  3. immaculate
  4. stainless
  5. unsullied
  6. spick-and-span
  7. unstained
  8. cleanly
Adjective
  • Not only do organizers give their mostly women clients the permission to part with belongings, but also the permission to let go of exacting societal expectations like having a perfectly organized and spotless house.
    — Marianne Cooper, Time, 5 Aug. 2026
  • Many have spotless payment histories, pay more in rent than a mortgage would cost and have shown financial resilience by building businesses or sustaining long-term gig careers.
    — Efri Argaman, Forbes.com, 29 July 2026
Definition of spotless
Adjective
  • Dirty ore yields cleaner results The researchers tested three different types of iron ore and found that Direct Reduced Grade Taconite, one of the most commonly available grades in Minnesota, performed best.
    — Neetika Walter, Interesting Engineering, 15 Aug. 2026
  • Selective support for storage, refining, pipelines, and ports can reduce vulnerabilities and provide a more stable foundation for the decades-long transition to cleaner energy.
    — Jason Bordoff, Foreign Affairs, 14 Aug. 2026
Definition of clean
Adjective
  • Old money nails are immaculate manicures featuring classic and neutral colors.
    — Bailey Bujnosek, InStyle, 15 Aug. 2026
  • The vibes for Mike McCarthy and Eli Heidenreich over the last few months have been immaculate.
    — ABC News, ABC News, 12 Aug. 2026
Definition of immaculate
Adjective
  • The kitchen features stainless-steel appliances, a center island and a farmhouse sink.
    — Kim Quillen, Chicago Tribune, 6 Aug. 2026
  • The 6-cup electric kettle features a removable stainless-steel tea infuser that’s perfect for brewing loose-leaf teas or tea bags.
    — Michele Laufik, Martha Stewart, 5 Aug. 2026
Definition of stainless
Adjective
  • But the prosecutor leading the case against the Tates, Rareș Stan, had an unsullied reputation.
    — Heidi Blake, New Yorker, 8 June 2026
  • For those who have lost everything so others can appear unsullied, the only recourse may be getting what they’re owed in blood.
    — Aramide Tinubu, Variety, 3 June 2026
Definition of unsullied
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, 23 Apr. 2026
  • Watch ships cruise by from the balconies of spick-and-span rooms or while breaking a sweat in the pierside barrel saunas.
    — Zoe Baillargeon, Travel + Leisure, 2 Mar. 2026
Definition of spick-and-span
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
Definition of unstained
Adjective
  • In other words, historical comparables suggest that Sherwood’s trade value probably isn’t cleanly at the level of him returning a first-round pick to Vancouver if he’s ultimately traded between now and March 6.
    — Thomas Drance, New York Times, 6 Jan. 2026
  • Whoever wins cleanly leaves with both the championship belts.
    — Matthew Couden, MSNBC Newsweek, 17 Sep. 2025
Definition of cleanly

Browse Nearby Words

ultrachic
ultraclean
ultracold
See all Nearby Words

Cite this Entry

“Ultraclean.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultraclean. Accessed 17 Aug. 2026.

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