fight fire with fire
This page is about the idiom fight fire with fire
Meaning
If you fight fire with fire in a conflict or a contest, you use the same methods or "weapons" as your opponent.
For example
- The companies we compete against started spending a lot on advertising, so we had to fight fire with fire and also spend a lot in order to keep our market share.
- If someone attacks me by bringing up problems I had in the past, I'll fight fire with fire and do the same by finding out things about their past.
Origin: Probably related to the fact that forest fires are often fought by using a controlled fire to burn off an area in the path of the fire. This starves it of material to burn, and makes it easier to put out.
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Contributor: Matt Errey