wildfire

noun

1
: a sweeping and destructive conflagration especially in a wilderness or a rural area
2
3
: a phosphorescent glow (such as ignis fatuus or fox fire)
4
: a destructive leaf-spot disease of tobacco caused by several strains of a bacterium (Pseudomonas syringae)
Phrases
like wildfire
: very rapidly
the news spread like wildfire

Examples of wildfire in a Sentence

The recent wildfires were made worse by the strong winds.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Thousands of people have evacuated their homes across parts of the Canadian provinces of Saskatchewan and Manitoba, where officials have declared a state of emergency and crews are working to contain dozens of out-of-control wildfires. Chicago Tribune, 2 June 2025 Meanwhile, westerly winds will help push smoke from the Canadian wildfires east of the Kansas City area as well. Robert A. Cronkleton, Kansas City Star, 2 June 2025 The legislation wouldn’t have much of an effect on rebuilding after L.A.’s wildfires, as single-family home construction is exempt and Newsom already waived other parts of the law by executive order. Liam Dillon, Los Angeles Times, 2 June 2025 The removal of fire debris is months ahead of schedule LA is approaching the five-month mark since January's wildfires killed 30 people and destroyed more than 16,000 structures, many of them homes. Kirk Siegler, NPR, 2 June 2025 See All Example Sentences for wildfire

Word History

First Known Use

12th century, in the meaning defined at sense 1

Time Traveler
The first known use of wildfire was in the 12th century

Browse Nearby Words

Cite this Entry

“Wildfire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wildfire. Accessed 5 Jun. 2025.

Kids Definition

wildfire

noun
: an uncontrollable fire that destroys a wide area
Last Updated: - Updated example sentences
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