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.
Pratt has been asked to leverage his social media audience — more than 4 million followers across the major platforms — to speak out about accountability issues involving the wildfires in Altadena and Maui. Gary Baum, HollywoodReporter, 16 Oct. 2025 Elsewhere, AccuWeather says that a warm, dry pattern will be most pronounced across California and the Southwest, where worsening drought and the risk of out-of-season wildfires are expected. Doyle Rice, USA Today, 16 Oct. 2025 Visitors can meet firefighters/paramedics and see live demonstrations, fire engines and equipment and pick up safety and wildfire prevention tips. Linda McIntosh, San Diego Union-Tribune, 16 Oct. 2025 The ensuing Palisades fire was one of the most destructive wildfires in Los Angeles history, destroying 23,400 acres of land and nearly 7,000 homes across the Pacific Palisades region. Jodi Guglielmi, Rolling Stone, 15 Oct. 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 Oct. 2025.

Kids Definition

wildfire

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