Erupt Definition

erupted, erupting, erupts
erupted, erupting, erupts
To burst forth or out, as from some restraint.
Erupting lava; a riot erupted.
Webster's New World
To cause to burst forth; throw forth; eject.
Webster's New World
To throw forth lava, water, steam, etc., as a volcano or geyser.
Webster's New World
To be thrown or forced out.
Water erupted from the geyser.
American Heritage
To develop suddenly.
Violence erupted during the protests.
American Heritage

Origin of Erupt

  • From Latin eruptus, past participle of ērumpō (“to break out (of), to burst out (from)”), from e (“out”) + rumpō (“to break”).

    From Wiktionary

  • Latin ērumpere ērupt- ē-, ex- ex- rumpere to break reup- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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