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cleanliness

noun

clean·​li·​ness ˈklen-lē-nəs How to pronounce cleanliness (audio)
Synonyms of cleanlinessnext
: 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
The Romans spent hours at their elaborate bathhouse complexes, but not everyone equated cleanliness with virtue …Sara Ivry
This 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

Examples of cleanliness in a Sentence

Recent Examples on the Web
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.
For their part, Airbnb and other platforms urge potential renters to read reviews carefully, and to look at the ratings on subcategories such as cleanliness and accuracy. Eric Adler, Kansas City Star, 5 Dec. 2025 Their tutorials have struck a chord, inspiring viewers to rethink their approach to daily cleanliness and turning what was once a mundane habit into a self-care ritual rooted in intention and skin health. Samantha Leal, StyleCaster, 4 Dec. 2025 People voiced concern about safety and cleanliness. Madison Beveridge, San Diego Union-Tribune, 1 Dec. 2025 Much like how doctors' white coats make a statement about a hospitals' cleanliness and professionalism. NPR, 25 Nov. 2025 See All Example Sentences for cleanliness

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of cleanliness was in the 15th century

Cite this Entry

“Cleanliness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cleanliness. Accessed 11 Dec. 2025.

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