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.
The wildfire has burned 108.1 acres of private land after being active for three days. Ca Wildfire Bot, Sacbee.com, 14 June 2025 Due date for individuals and businesses affected by wildfires and straight-line winds in southern California that began on January 7, 2025. Kelly Phillips Erb, Forbes.com, 14 June 2025 Blacklock told Grist the organization based its wildfire project on research known as the Tamm Review, which found that thinning combined with prescribed burns can reduce wildfire severity by 62 to 72 percent. Tom Brown, Wired News, 14 June 2025 The proposal also requires greater distances from property lines, limits ADUs to two stories and prohibits them on cul-de-sacs in areas with high wildfire risk. David Garrick, San Diego Union-Tribune, 14 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 17 Jun. 2025.

Kids Definition

wildfire

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