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.
In Maui, while some of the island’s celebrity homeowners initially discouraged visitors from returning, the region was welcoming people back two months after the wildfires, says Kalani Kaʻanāʻanā, chief stewardship officer at the Hawaii Tourism Authority. Shoshi Parks, Smithsonian Magazine, 14 Apr. 2025 The figure includes about $500 million in immediate costs plus lost revenue and recovery spending, and illustrates the lingering toll of the wildfires that began on Jan. 7, killing 30 people and destroying thousands of homes. Shawn Hubler, New York Times, 14 Apr. 2025 However, the natural world — wildfires, volcanic activity and even plant respiration — contributes far more CO2 to the atmosphere. Ryan Nawrocki, Baltimore Sun, 13 Apr. 2025 Soot from wildfires and silicate dust, flung high by the collisional energy, may have created a planet-cooling blanket. Max Bennett, Discover Magazine, 12 Apr. 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 22 Apr. 2025.

Kids Definition

wildfire

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