JMdict: 1480360

反故にする 【ほごにする】

  1. [exp,vs-i] to throw away as useless; to scrap
  2. [exp,vs-i] to make null and void; to renege; to annul; to revoke
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
反 Anti- ハン, ホン, タン, ホ そ.る, そ.らす, かえ.す, かえ.る, -かえ.る
故 Happenstance, Especially, Intentionally, Reason, Cause, Circumstances, The Late, Therefore, Consequently コ ゆえ, ふる.い, もと