An item that has been left behind or lost by its owner (e.g., something left on a train or in a shop).
駅で財布の忘れ物が届いていると放送があった。
There was an announcement that a lost wallet had been turned in at the station.
忘れ物センターで傘を受け取った。
I picked up an umbrella at the lost-and-found center.
教室に忘れ物をしないように、帰る前にチェックした。
I checked before leaving so I wouldn't leave anything behind in the classroom.
The act of leaving something behind or forgetting something; used in expressions like 'to leave something behind'.
今日は電車で大事な資料を忘れ物してしまった。
Today I left an important document on the train.
忘れ物をしないように、出かける前にカギと財布を確認する。
To avoid leaving things behind, I check my keys and wallet before going out.
彼は忘れ物が多いので、メモを取る習慣がある。
He often leaves things behind, so he has a habit of taking notes.