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
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That includes several Blue Flag beaches, an organization that finds and awards coastal stretches for their sustainability and cleanliness, like Ai Helis Beach, Ammes Beach, Aragia Beach, and Makris Gialos Beach. Stacey Leasca, Travel + Leisure, 18 July 2025 Shop cleanliness and air quality, which are often ignored in tool design, are front and center with their GYRO AIR dust collection system. Jason Phillips, USA Today, 17 July 2025 These include leadership alignment, enterprise strategy, data cleanliness and availability, the need for a modern technological infrastructure, the right internal skills and capabilities and the ability to manage large-scale change. Adrian Swinscoe, Forbes.com, 15 July 2025 The cleanliness, patient comfort, follow-ups after surgery, etc., are established by the clinic to work very well. Connie Etemadi, AZCentral.com, 11 July 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 30 Jul. 2025.

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