erupt

Verb
Synonyms: break outirruptflare upflarebreak openburst outignitecatch firetake firecombustconflagratecome out

WordNet 3.0

Verb (8)

  1. start abruptly“After 1989, peace broke out in the former East Bloc”Synonyms: break out
  2. erupt or intensify suddenly“Unrest erupted in the country”“Tempers flared at the meeting”“The crowd irrupted into a burst of patriotism”Synonyms: irruptflare upflarebreak openburst out
  3. start to burn or burst into flames“Marsh gases ignited suddenly”“The oily rags combusted spontaneously”Synonyms: ignitecatch firetake firecombustconflagrate
  4. break out“The tooth erupted and had to be extracted”Synonyms: come outbreak throughpush through
  5. become active and spew forth lava and rocks“Vesuvius erupts once in a while”Synonyms: belchextravasate
  6. force out or release suddenly and often violently something pent up“break into tears”“erupt in anger”Synonyms: breakburst
  7. appear on the skin“A rash erupted on her arms after she had touched the exotic plant”
  8. become raw or open“He broke out in hives”“My skin breaks out when I eat strawberries”“Such boils tend to recrudesce”Synonyms: recrudescebreak out
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Webster's Dictionary (GCIDE)

erupt \e*rupt"\ ([-e]*r[u^]pt"), v. t. [See eruption.] To cause to burst forth; to eject; as, to erupt lava. --Huxley. [1913 Webster]
erupt \e*rupt"\ ([-e]*r[u^]pt"), v. i. [See eruption.]

1.To eject something, esp. lava, water, etc., as a volcano or geyser; as, when Mount Saint Helens erupted, some people were taken by surprise. [Webster 1913 Suppl. +PJC]

2.To burst forth; to break out, as ashes from a volcano, teeth through the gums, etc.; as, the third molar erupts late in most people, and in some persons does not occur at all. [Webster 1913 Suppl. +PJC]

When the amount and power of the steam is equal to the demand, it erupts with violence through the lava flood and gives us a small volcano.— H. J. W. Dam.[Webster 1913 Suppl.]
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