Dictionary / Vocabulary / 忘れる
わすれる
to forget; to leave carelessly; to be forgetful of; to forget about
JLPT N5 common word
その後私はそこを出るんだけど、鞄を忘れてきたことに気付くんだ。
After that, I left, but then I realized that I forgot my backpack at their house.
いつか私のことは忘れちゃうわ。
You'll forget about me someday.
赤鉛筆を忘れた子どもには、きちんと借りに来させた。
I made sure that children who'd forgotten their red pencil came to borrow one.