erupting

1. start abruptlyExamples: "After 1989, peace broke out in the former East Bloc"Synonyms: break out, erupt

2. erupt or intensify suddenlyExamples: "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism"Synonyms: break open, burst out, erupt, flare, flare up, irrupt

3. start to burn or burst into flamesExamples: "Marsh gases ignited suddenly"; "The oily rags combusted spontaneously"Synonyms: catch fire, combust, conflagrate, erupt, ignite, take fire

4. break outExamples: "The tooth erupted and had to be extracted"Synonyms: break through, come out, erupt, push through

5. become active and spew forth lava and rocksExamples: "Vesuvius erupts once in a while"Synonyms: belch, erupt, extravasate

6. force out or release suddenly and often violently something pent upExamples: "break into tears"; "erupt in anger"Synonyms: break, burst, erupt