1. [ verb ] start abruptly
Synonyms: break_out

"After 1989, peace broke out in the former East Bloc"

Related terms: begin
2. [ verb ] erupt or intensify suddenly
Synonyms: flare_up burst_out break_open irrupt flare

"Unrest erupted in the country" "Tempers flared at the meeting" "The crowd irrupted into a burst of patriotism"

Related terms: intensify outburst
3. [ verb ] start to burn or burst into flames
Synonyms: catch_fire ignite conflagrate combust take_fire

"Marsh gases ignited suddenly" "The oily rags combusted spontaneously"

Related terms: change_state light_up catch blow_out burn ignition
4. [ verb ] as of teeth, for example
Synonyms: push_through break_through come_out

"The tooth erupted and had to be extracted"

Related terms: appear dehisce flare eruption
5. [ verb ] become active and spew forth lava and rocks; of volcanoes
Synonyms: extravasate belch

"Vesuvius erupts once in a while"

Related terms: explode eruption
6. [ verb ] become suddenly excited or angry
Synonyms: flare flare_up

"She flares up easily"

Related terms: appear
7. [ verb ] force out or release suddenly and often violently something pent up
Synonyms: burst break

"break into tears" "erupt in anger"

Related terms: express_emotion
8. [ verb ] (medicine) become raw or open; as of skin eruptions
Synonyms: break_out recrudesce

"He broke out in hives" "My skin breaks out when I eat strawberries" "Such boils tend to recrudesce"

Related terms: afflict
Similar spelling:   eruptive