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

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

But for how much use these bottles are getting, are they being washed enough to maintain cleanliness? —Natalia Gonzalez Blanco Serrano, The Spruce, 23 May 2026

Looking for a clever waterless solution to maintain scalp cleanliness between washes? —Claire West, PEOPLE, 21 May 2026

Prioritize data cleanliness, connectivity and governance; ensure cloud and security can scale. —Wendy Stewart, Forbes.com, 20 May 2026

The walk-in cooler was broken and there were multiple repairs needed at the restaurant, in addition to poor cleanliness. —Lillie Davidson, Fort Worth Star-Telegram, 19 May 2026

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing cleanliness

• cleanliness is next to godliness