erupt definition

1. start abruptly
• examples: After 1989, peace broke out in the former East Bloc
2. erupt or intensify suddenly
• examples: Unrest erupted in the country
• examples: Tempers flared at the meeting
• examples: The crowd irrupted into a burst of patriotism
3. start to burn or burst into flames
• examples: Marsh gases ignited suddenly
• examples: The oily rags combusted spontaneously
4. break out
• examples: The tooth erupted and had to be extracted
5. become active and spew forth lava and rocks
• examples: Vesuvius erupts once in a while
6. appear on the skin
• examples: A rash erupted on her arms after she had touched the exotic plant
7. become raw or open
• examples: He broke out in hives
• examples: My skin breaks out when I eat strawberries
• examples: Such boils tend to recrudesce