1.
defective product, faulty goods, reject
A product that does not meet quality standards due to a defect or flaw. Used in manufacturing, retail, and consumer contexts.
不良品を交換する。
To exchange a defective product.
不良品を除いてから出荷する。
Ship after removing the defective products.
買った商品が不良品だったので返品した。
The product I bought was defective, so I returned it.
工場では不良品の発生を防ぐために厳しく検査している。
The factory conducts strict inspections to prevent defective products from occurring.
不良品 is a product that fails to meet quality standards due to a manufacturing defect, damage, or malfunction. It is the standard term used in retail, manufacturing, and consumer complaint contexts when referring to items that need to be exchanged or returned.
STRUCTURE:
- 不良 (defective, bad) + 品 (product, goods)
COMMON COLLOCATIONS:
- 不良品を交換する (to exchange a defective product)
- 不良品を返品する (to return a defective product)
- 不良品が出る (defective products appear/turn up)
- 不良品が混じる (defective items get mixed in)
- 不良品率 (defect rate)
RELATED WORDS:
- 良品 (good-quality product)
- 欠陥品 (defective product — more formal, often for serious flaws)
- 返品 (returned product)