What does wildfire mean?
A wildfire is an uncontrolled fire that spreads across land, often burning grass, shrubs, forests, or other vegetation. The term is especially common in North America but is also used in British English and internationally, while Australian English frequently uses bushfire. Wildfires may begin through lightning, human activity, or another ignition source and can spread quickly when fuel is dry and winds are strong. They are distinguished from ordinary outdoor fires by their uncontrolled nature and potentially extensive reach, so authorities commonly speak of prevention, containment, evacuation, and suppression. Figuratively, a wildfire describes a crisis or dispute that spreads rapidly and becomes increasingly difficult to manage. The word combines the force of fire with the suggestion of something untamed and out of control, making it useful both for describing a natural hazard and for vivid discussion of escalating problems in public life.
nounAn uncontrolled fire that spreads rapidly across land, especially vegetation such as grass, shrubs, or trees. By extension, it can refer to a rapidly spreading crisis or chain of problems.
- A fire that burns without control and spreads across vegetation or land.
- A rapidly spreading crisis, conflict, or chain of problems involving many people.
"Crews worked overnight to contain a wildfire approaching the town."
"Dry winds helped the wildfire spread across thousands of acres."
"The misinformation became a wildfire, spreading rapidly across social media."
The standard plural adds -s; the plural is common in news, scientific, and emergency-management contexts.
"Several wildfires were burning across the region."
A wildfire can generate its own lightning: towering fire clouds can produce sudden flashes that ignite distant flames.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does wildfire come from?
Wildfire is an English compound formed from wild and fire. The word developed from the older expression wild fire, used for a fire burning in uncultivated or uncontrolled surroundings, and by the 19th century wildfire was established for fires spreading through the countryside. Wild and fire also occur separately in related words: wildness continues the Germanic lineage of wild, while bonfire belongs to a family of compounds built on the same English word fire.
How wildfire is actually used
Wildfire is standard in environmental science, emergency management, and news reporting in British and American English. Its figurative use emphasizes rapid, uncontrolled spread and often suggests a crisis that is difficult to contain. Australian English commonly uses bushfire for a fire burning through vegetation.