Erupt Definition

ĭ-rŭpt

erupted, erupting, erupts

verb

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

Synonyms:

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