Describes materials that are thin in texture or thickness, often implying a lack of sturdiness or a delicate quality. Commonly used for fabrics, paper, and similar sheet-like items.
This curtain is thin, and the outside light shows through.
Because it's thin paper, it tears easily.
Compound of 地 (ji, 'texture, material') and 薄 (usu, 'thin'). The exact historical derivation is uncertain, but the word is conventionally associated with thin materials.