- a very big fire that spreads quickly and burns natural areas like woods, forests and grassland
- Firefighters are battling devastating wildfires in northern California.
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Idioms
See wildfire in the Oxford Advanced American Dictionaryspread like wildfire
- (of news, etc.) to become known by more and more people very quickly
- Rumours of his death spread like wildfire.
- The news spread like wildfire.
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wildfire