清潔

1. Origins, structure, and basic meaning

• Structure: 清潔 is read as せいけつ and is a noun and na-adjective for a clean, hygienic condition free from dirt or contamination.
• Basic usage: Describing a room being kept clean appears in 清潔に保たれている, while modifying a clean impression appears in 清潔な印象.

2. Common pitfalls and similar expressions

• Difference from 綺麗
  • 清潔 focuses on cleanliness and sanitation rather than visual beauty.