erupted; erupting; erupts

intransitive verb

1
a(1)
: to burst from limits or restraint
(2)
of a tooth : to emerge through the gum
b
: to force out or release suddenly and often violently something (such as lava or steam) that is pent up
c
: to become active or violent especially suddenly : break forth
war could erupt at any moment
the audience erupted in applause
2
: to break out with or as if with a skin eruption

transitive verb

: to force out or release usually suddenly and violently
a volcano erupting lava and ash
eruptible adjective
eruptive adjective
eruptively adverb

Examples of erupt in a Sentence

The volcano erupted with tremendous force. A bitter dispute has erupted among the members of the team.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
During its first flyby of Saturn’s moon Enceladus in 2005, NASA’s Cassini spacecraft captured dramatic water ice plumes erupting into space from the moon’s south pole. Chris Young, Interesting Engineering, 2 Oct. 2025 The leaves on the park’s deciduous trees erupt into every shade of deep scarlet, fiery orange, and golden yellow—and visitors have front-row seats to see it all. Tara Massouleh McCay, Southern Living, 2 Oct. 2025 During the closing Neilah service after night has fallen, the practice concludes with the cries of the Shema prayer before the congregation erupts into song and dance. Krys'tal Griffin, Freep.com, 2 Oct. 2025 Nepal’s Prime Minister, Sharma Oli, resigned from his position after the anti-corruption protests erupted across the country, leaving at least 72 people dead and hundreds wounded, most of them in the capital of Kathmandu. Connor Greene, Time, 2 Oct. 2025 See All Example Sentences for erupt

Word History

Etymology

Latin eruptus, past participle of erumpere to burst forth, from e- + rumpere to break — more at reave

First Known Use

1657, in the meaning defined at intransitive sense 1a(1)

Time Traveler
The first known use of erupt was in 1657

Browse Nearby Words

Cite this Entry

“Erupt.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/erupt. Accessed 4 Oct. 2025.

Kids Definition

erupt

verb
1
: to burst forth or cause to burst forth : explode
2
: to break through a surface
teeth erupting from the gum
3
: to break out with or as if with a skin eruption
eruptive adjective

Medical Definition

erupt

intransitive verb
1
of a tooth : to emerge through the gum
2
: to break out (as with a skin eruption)
eruptive adjective

More from Merriam-Webster on erupt

Last Updated: - Updated example sentences
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