Translation guide
A book or other product that sells in very large numbers. In Japanese, the most common term is ベストセラー, a loanword from English. There are also native Japanese expressions for describing a hit product or a long-selling item.
bestseller (book/product)
To refer to a book or product that is currently selling extremely well.
The standard loanword for 'bestseller'. Used for books, music, and other products. Can be used as a noun or with する to mean 'become a bestseller'.
This novel became a bestseller.
Her new book is number one on the bestseller list.
Means 'big hit' or 'blockbuster'. Used for movies, songs, games, and books. Emphasizes popularity rather than just sales figures.
That game was a huge hit.
Refers to a product that is selling well, often used in retail contexts. Literally 'selling line'. Can be used for books, but more common for consumer goods.
This product is this month's bestseller.
Explicitly 'bestseller product'. Used in marketing or retail to distinguish from books.
This bestseller product sold out quickly.
To describe a book or product that has sold well over a long period, not just a temporary hit.
A wasei-eigo term meaning 'long seller'. Refers to a product or book that continues to sell well for years. Not used for people.
This dictionary has been a long-seller for 30 years.
Means 'standard item' or 'staple'. Used for products that are always in demand, not necessarily record-breaking sales.
To refer to an author whose books are bestsellers.
ベストセラー refers to a current hit with high sales, while ロングセラー refers to a product that sells steadily over many years. A book can be both if it continues to sell well after its initial release.
This book became a bestseller when it was released, and now it's a long-seller.
In English, 'bestseller' can modify 'author', but in Japanese, you must say ベストセラー作家, not just ベストセラー for a person.
That book was a bestseller last year.
She wrote three bestsellers.
この文房具は定番商品です。
This stationery is a staple product.
The popular author's new work was released.