1. past tense and past participle of ignite; set on fire or caught fire
2. past tense and past participle of ignite; triggered or started suddenly
Usage: figurative

Examples

• The match ignited the dry leaves instantly.
• The gasoline ignited when it touched the hot engine.
• Her speech ignited a passionate debate among the students.
• The controversy ignited protests across the city.
• The campfire ignited easily with the help of newspaper.
• His comments ignited anger in the community.
• The rocket fuel ignited on schedule during the launch.