cleanliness

noun

clean·​li·​ness ˈklen-lē-nəs How to pronounce cleanliness (audio)
: 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.
There’s little of that cleanliness here. Rob Sheffield, Rolling Stone, 14 Oct. 2025 As tradition requires, individuals who enlist in the military have to keep short hair for a variety of practical reasons, including for safety and cleanliness. Dory Jackson, PEOPLE, 10 Oct. 2025 The school is founded on Islamic principles and emphasizes the importance of being a global citizen, doing good to others, cleanliness and devotion. Everett Eaton, jsonline.com, 7 Oct. 2025 All of these tasks don't take longer than a few minutes of my time, so adding them to my weekly cleaning routine has been easy and has made a big difference in my sink's cleanliness. Halee Miller Van Ryswyk, Better Homes & Gardens, 6 Oct. 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 19 Oct. 2025.

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