wildfire

noun

Synonyms of wildfirenext
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)
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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.
Fortunately, larger fuel sources like dense vegetation remain moist from heavy winter rains, and winds are predicted to be relatively light, conditions that together limit the danger of fast-spreading wildfires. Clara Harter, Los Angeles Times, 13 Mar. 2026 The data matches records of episodic droughts in Europe that may have triggered local wildfires. Nidhi Sharma, Popular Science, 13 Mar. 2026 The Southern United States often sees more rain and cooler temperatures, which can help control droughts and tamp down wildfire activity. Lauren Sommer, NPR, 12 Mar. 2026 The heat will melt the West’s already well-below-average snowpack, raising concerns for spring and summer water resources and a potentially severe wildfire season. Andrew Freedman, CNN Money, 12 Mar. 2026 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

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Cite this Entry

“Wildfire.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wildfire. Accessed 13 Mar. 2026.

Kids Definition

wildfire

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