Definition of wildfire
- the news spread like wildfire
The recent wildfires were made worse by the strong winds.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'wildfire.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a fire in a wild area (such as a forest) that is not controlled and that can burn a large area very quickly
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