Definition of erupt (verb)
- start abruptly
- "After 1989, peace broke out in the former East Bloc"
- synonyms: break out
- erupt or intensify suddenly
- start to burn or burst into flames
- break out
- become active and spew forth lava and rocks
- force out or release suddenly and often violently something pent up
- appear on the skin
- "A rash erupted on her arms after she had touched the exotic plant"
- become raw or open
Source: Princeton University Wordnet