Forgotten Item
Something Left Behind
noun
Remember how 忘れる is "to forget"? Well, a thing you've forgotten is a forgotten item.
忘れ物 is a casual way to refer to something left behind accidentally, like an umbrella you forgot about and left on the train.
You didn't learn this reading with the kanji 忘, but you did learn it with the vocabulary 忘れる. What was that reading again? You can't remember! It's become a forgotten item in some dusty corner of your brain. And really, forgetting how to read 忘? That's worse (わす) than leaving your umbrella or keys behind! Come on! Try to hold onto the reading this time — you'll only be making things worse if you don't.
私は忘れ物が多い。
I forget things a lot.
これ、誰かの忘れ物じゃない？
Isn't this something someone forgot?
今日何か忘れ物をしたような気がするんだけど、それが何だったかをどうしても思い出せないんだよな。
I feel like I forgot something today, but I just can’t remember what it is.