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)

see also:

like wildfire

Examples of wildfire in a Sentence

The recent wildfires were made worse by the strong winds.

Recent Examples on the Web

Utah restricted fireworks and declared a state of emergency Friday ahead of July Fourth celebrations as the United States' largest wildfire expanded its reach across more tinder-dry forest, as crews rush to fight new blazes in the arid state. — CBS News, 27 June 2026

Lara Schwarz studies the effect of wildfires and heat waves on public health at UC Berkeley. — Tarini Mehta, Sacbee.com, 26 June 2026

Prosecutors say the blaze allegedly started by Rinderknecht smoldered underground for days before exploding into the wildfire that killed 12 people, destroyed thousands of structures across Los Angeles County, and burned more than 23,000 acres. — Kaelan Deese, The Washington Examiner, 26 June 2026

Thermal satellites add a layer of detection to drones and ground sensors, and Greece has expanded both since the 2018 disaster forced an overhaul of wildfire response. — ABC News, 26 June 2026

Word History

First Known Use

12th century, in the meaning defined at sense 1

Phrases Containing wildfire

• like 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