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to drain the swamp
01
to eliminate a problem that threatens a political or business system such as corruption, terrorism, etc.
![to [drain] the swamp definition and meaning](https://cdn.langeek.co/photo/43666/original/?type=jpeg "to [drain] the swamp definition and meaning")
Idiom
What is the origin of the idiom "drain the swamp" and when to use it?
The idiom "drain the swamp" has a historical origin that predates its political usage. It can be traced back to the late 19th and early 20th centuries in the United States. It is often used in politics when politicians promise to get rid of bad practices and bring positive changes.
Examples
The new president promised to drain the swamp and remove corrupt officials.
