· start abruptly; "After 1989, peace broke out in the former East Bloc"

Synonym(s): break_out

Hypernym(s): begin, start

· erupt or intensify suddenly; "Unrest erupted in the country"; "Tempers flared at the meeting"; "The crowd irrupted into a burst of patriotism"

Synonym(s): irrupt, flare_up, flare, break_open, burst_out

Hypernym(s): intensify, deepen

· start to burn or burst into flames; "Marsh gases ignited suddenly"; "The oily rags combusted spontaneously"

Synonym(s): ignite, catch_fire, take_fire, combust, conflagrate

Hypernym(s): change_state, turn

· break out; "The tooth erupted and had to be extracted"

Synonym(s): come_out, break_through, push_through

Hypernym(s): appear

· become active and spew forth lava and rocks; "Vesuvius erupts once in a while"

Synonym(s): belch, extravasate

Hypernym(s): explode, burst

· force out or release suddenly and often violently something pent up; "break into tears"; "erupt in anger"

Synonym(s): break, burst

Hypernym(s): express_emotion, express_feelings

· appear on the skin; "A rash erupted on her arms after she had touched the exotic plant"

Hypernym(s): appear

· become raw or open; "He broke out in hives"; "My skin breaks out when I eat strawberries"; "Such boils tend to recrudesce"

Synonym(s): recrudesce, break_out

Hypernym(s): trouble, ail, pain