- To erupt is defined as to explode or to burst out suddenly.
- When lava begins to pour from a volcano, this is an example of erupt.
- When you hold anger inside often but you suddenly get fed up and lash out yelling, this is an example of a time when you erupt in anger.
- When you suddenly break out in hives, this is an example of a time when hives erupt.
A volcano erupts.
- to burst forth or out, as from some restraint: erupting lava, a riot erupted
- to throw forth lava, water, steam, etc., as a volcano or geyser
- to break out in a rash
- to break through the gums and become visible: said of new teeth
Origin of erupt; from Classical Latin eruptus, past participle of erumpere, to break out, burst forth ; from e-, out + rumpere, to break: see rupture
intransitive verbe·rupt·ed, e·rupt·ing, e·rupts
- a. To throw or force something out violently, as lava, ash, and gases: The volcano erupted.b. To be thrown or forced out: Water erupted from the geyser.
- To develop suddenly: Violence erupted during the protests.
- To express oneself suddenly and loudly: He erupted in anger.
- a. To break through the gums in developing. Used of teeth.b. To appear on the skin. Used of a rash or blemish.
Origin of eruptLatin ērumpere, ērupt- : ē-, ex-, ex- + rumpere, to break; see reup- in Indo-European roots.
(third-person singular simple present erupts, present participle erupting, simple past and past participle erupted)