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, 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
  1. spotless
  2. clean
  3. immaculate
  4. stainless
  5. unsullied
  6. spick-and-span
  7. unstained
  8. cleanly
Adjective
  • In the offices above the garage, employees work in slippers at spotless desks — a mandate inspired by Japanese culture that Younis picked up while working for Bosch in Japan.
    — Reed Albergotti, semafor.com, 21 July 2026
  • Or Japanese fans leaving entire sections spotless by picking up after themselves — twice.
    — ABC News, ABC News, 14 July 2026
Definition of spotless
Adjective
  • Marble fireplaces and bespoke timber joinery soften a palette of black, white and brushed brass, while parquet floors bring warmth beneath the clean geometry.
    — Natalie Hoberman, Forbes.com, 18 July 2026
  • In a paper published this month in PLOS One, Alaei and her colleagues propose an alternative - employing a suite of superworms, a kind of hefty beetle larva that can capably pick a variety of animal skeletons clean.
    — Ari Daniel, NPR, 17 July 2026
Definition of clean
Adjective
  • This finish is an example of his two-footedness, enabling him to play across the forward line, and the immaculate timing of his runs.
    — Anantaajith Raghuraman, New York Times, 16 July 2026
  • Throughout the day, the vibes were laid-back and (even with the heat and rain) pretty immaculate.
    — Rolling Stone, Rolling Stone, 5 July 2026
Definition of immaculate
Adjective
  • The stainless set perfectly sears salmon skin, and gives a quick char to green beans or any other sautéed veggie without mushing up the interior.
    — Julia Harrison, Architectural Digest, 20 July 2026
  • The kitchen’s a windowed galley with a pass-through and breakfast bar, plus plenty of storage and Bosch stainless-steel appliances.
    — Matthew Sedacca, Curbed, 20 July 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
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Cite this Entry

“Ultraclean.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/ultraclean. Accessed 24 Jul. 2026.

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