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

This satisfying tactic works in any size space and exudes a sense of cleanliness and old charm. —Macie Stump, Southern Living, 10 May 2026

Hotspots Focusing your cleaning efforts on these spots where bacteria and grime tend to collect will help extend the overall cleanliness of the space. —Rae Ford, Martha Stewart, 10 May 2026

The restaurant failed inspection due to poor cleanliness and necessary repairs, and improper food preparation procedures. —Lillie Davidson, Fort Worth Star-Telegram, 8 May 2026

Riders experience the system daily — its delays, safety concerns, cleanliness and gaps in service. —Steve Scauzillo, Daily News, 4 May 2026

Word History

First Known Use

15th century, in the meaning defined above

Phrases Containing cleanliness

• cleanliness is next to godliness