This is the 5358th most frequent Japanese word.
pb
The term "pb" is not a Japanese word; it likely requires clarification or full context to provide an accurate definition.
In this context, 'PB' refers to 'personal best,' indicating an effort or achievement that is individual and goal-oriented.
下記の課題は、PBとして個人で取り組む必要があります。
The following task should be tackled individually as a PB.
Here, 'PB' stands for 'Private Brand,' describing products exclusive to a specific company or retailer.
最新の技術を導入したPB商品が発売されました。
A PB product incorporating the latest technology has been launched.
In this case, 'PB' means 'personal best,' referring to achieving a new record in performance or sports.