noun
A room reserved for personal or exclusive use, such as in a restaurant, hotel, or shared living space.
レストランでプライベートルームを予約した。
I reserved a private room at the restaurant.
このホテルのプライベートルームはとても静かだ。
The private rooms in this hotel are very quiet.
Variant with interpunct; less common in everyday writing but seen in formal or design contexts.
個室 is the native Japanese term for a private room, often used in hospitals, trains, or apartments, while プライベートルーム is a loanword with a slightly more modern or commercial feel.
Loanword from English 'private room'.