(わす)

どわすれ
noun, suru verb
sudden memory lapse; mental blank
1. sudden memory lapse; mental blank
temporarily forgetting something you normally know well, often at an inconvenient moment
名前(なまえ)ど忘(わす)れした。
I had a mental blank on the name.
パスワードをど忘(わす)れして(こま)った。
I completely blanked on my password and was stuck.
漢字(かんじ)ど忘(わす)れして()けなかった。
I had a mental block and couldn't write the kanji.

FORMATION:
ど (intensive prefix) + (わす)れ (forgetting) → complete momentary forgetting

CHARACTERISTICS:

  • Temporary - the memory usually returns
  • Often happens under pressure or when trying to recall on the spot
  • Common with names, kanji, passwords, etc.

VERB FORM:
ど忘(わす)れする (to have a mental blank)

COMPARISON:

  • 物忘(ものわす)れ - general forgetfulness (trait)
  • ど忘(わす)れ - momentary blank (specific instance)
  • うっかり(わす)れ - careless forgetting (due to inattention)