うっかり忘(わす)れ

うっかりわすれ

noun

careless forgetfulness; absent-minded forgetting

1. careless forgetfulness; absent-minded forgetting; slipping one's mind

Forgetting something due to carelessness or inattention, rather than intentional neglect. Often used to excuse minor lapses in memory.

うっかり忘(わす)れで会議(かいぎ)に遅(おく)れた。

I was late to the meeting because I carelessly forgot about it.

うっかり忘(わす)れを防(ふせ)ぐためにメモを取(と)る。

I take notes to prevent absent-minded forgetting.

年(とし)を取(と)ると、うっかり忘(わす)れが増(ふ)える。

As we get older, careless forgetting increases.

うっかり忘(わす)れ combines うっかり (carelessly, absent-mindedly) with 忘(わす)れ (forgetting).

Related words

うっかりする: to be careless
うっかり間違(まちが)える: to make a careless mistake
うっかり口(くち)を滑(すべ)らせる: to let something slip

Usage

Often used as an excuse or explanation when something was unintentionally forgotten. The word emphasizes that the forgetting was not deliberate but due to momentary inattention.

Prevention strategies

Related Words

Related: 物忘(ものわす)れ (forgetfulness)

Compare: ど忘(わす)れ (sudden memory lapse)

general

Added 2026.1.29 20:08 · Revised 2026.9.2 13:01

08500/08977_ukkariwasure