JMdict: 2609990

毒を以て毒を制す 【どくをもってどくをせいす】

  1. [exp] fight fire with fire; set a thief to catch a thief; fight one evil with another
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
Poison, Virus, Venom, Germ, Harm, Injury, Spite ドク 4
By Means Of, Because, In View Of, Compared With もっ.て 4
System, Law, Rule セイ 5