cleanliness
noun
clean·li·ness
ˈklen-lē-nəs 
: the quality or state of being clean : the practice of keeping oneself or one's surroundings clean
Though a stale remark, it can hardly be said too often, that personal cleanliness is one of the necessary agents to health …—
Walt Whitman
Walt WhitmanThe Romans spent hours at their elaborate bathhouse complexes, but not everyone equated cleanliness with virtue …—Sara Ivry
Sara IvryThis cleanliness is necessary to ensure that no dust or particles end up on the silicon surface during the processing of the chip.—Robert J. Cone
Robert J. ConeExamples of cleanliness in a Sentence
Recent Examples on the Web
Wipe down surfaces and clean crumbs to maintain cleanliness and prevent pests.
—Mary Cornetta, Better Homes & Gardens, 21 Jan. 2026
There are important considerations, including cleanliness, allergies, and the well-being of the animals themselves.
—Itay Hod, CBS News, 20 Jan. 2026
The experiment was also carried out in ultra-high vacuum, helping preserve the cleanliness of the graphene surface and ensuring reliable results.
—Neetika Walter, Interesting Engineering, 20 Jan. 2026
Yet curtains often go neglected during regular housekeeping, even though their cleanliness has a major impact on air quality, allergies, and even the smell in your home.
—Caroline Lubinsky, Martha Stewart, 19 Jan. 2026
See All Example Sentences for cleanliness
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Mary Cornetta, Better Homes & Gardens, 21 Jan. 2026
There are important considerations, including cleanliness, allergies, and the well-being of the animals themselves.
—Itay Hod, CBS News, 20 Jan. 2026
The experiment was also carried out in ultra-high vacuum, helping preserve the cleanliness of the graphene surface and ensuring reliable results.
—Neetika Walter, Interesting Engineering, 20 Jan. 2026
Yet curtains often go neglected during regular housekeeping, even though their cleanliness has a major impact on air quality, allergies, and even the smell in your home.
—Caroline Lubinsky, Martha Stewart, 19 Jan. 2026
See All Example Sentences for cleanliness
Cite this Entry
“Cleanliness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cleanliness. Accessed 22 Jan. 2026.
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