1. the state or quality of being dirty or not clean
2. lack of proper hygiene or sanitation

Examples

• The uncleanliness of the restaurant kitchen shocked the health inspector.
• Personal uncleanliness can lead to various health problems.
• The uncleanliness of the public restroom was appalling.
• She was embarrassed by the uncleanliness of her apartment when guests arrived.
• The hospital was cited for uncleanliness in several patient rooms.
• His uncleanliness made it difficult for him to maintain friendships.