JMdict: 2830225

無かったことにする 【なかったことにする】

  1. [exp,vs-i] to forget something ever existed; to pretend something didn't happen; to put something behind one; to forgive (something)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
Nothingness, None, Ain't, Nothing, Nil, Not ム, ブ な.い