wildfire

noun

wild·​fire ˈwī(-ə)ld-ˌfī(-ə)r 

1

: a sweeping and destructive conflagration especially in a wilderness or a rural area

2

: greek fire

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

There is no adequate mitigation for wildfires in current fire zones for new home development. —U T Readers, San Diego Union-Tribune, 25 Sep. 2025

Stressed trees in hot and dry conditions are more at risk of wildfires, insects and invasive species that compete for resources. —Hayleigh Evans, AZCentral.com, 25 Sep. 2025

Trends observed include increases in hot extremes and extreme single-day precipitation events, declines in cold extremes, regional shifts in annual precipitation, warming of the Earth's oceans, a decrease in ocean pH, rising sea levels, and an increase in wildfire severity. —Connor Giffin, Louisville Courier Journal, 25 Sep. 2025

The wildfire has been burning on private land. —Ca Wildfire Bot, Sacbee.com, 25 Sep. 2025

Word History

First Known Use

12th century, in the meaning defined at sense 1

Phrases Containing wildfire

• spread like wildfire

Rhymes for wildfire

• briar
• brier
• buyer
• choir
• crier
• cryer
• drier
• dryer
• eyer
• flier
• flyer
• friar

Kids Definition

wildfire

noun

wild·​fire ˈwī(ə)l(d)-ˌfī(ə)r 

: an uncontrollable fire that destroys a wide area