\i-ˈrəpt \
erupted; erupting; erupts

Definition of erupt 

intransitive verb

1a(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

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Other Words from erupt

eruptible \ i-​ˈrəp-​tə-​bəl \ adjective
eruptive \ i-​ˈrəp-​tiv \ 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

In the synagogue, just before 11 a.m., rifle fire erupted from above. Erin Ailworth, WSJ, "Inside the Pittsburgh Synagogue as Shots Rang," 31 Oct. 2018 The Dawn spacecraft identified an unusual peak called Ahuna Mons that some have suggested is a cryovolcano, erupting viscous water ice. John Timmer, Ars Technica, "Ice volcanoes have likely been erupting for billions of years on Ceres," 18 Sep. 2018 Kīlauea, the Hawaiian volcano that has been erupting since May, appears to have gone on a hiatus of sorts. David Grossman, Popular Mechanics, "Hawaiian Volcano ​Kilauea Taking a Break From Erupting, But it Might Not Be All Done," 8 Aug. 2018 Kilauea has been erupting from Leilani Estates for three months now, but lava volume dropped dramatically over the weekend. Audrey Mcavoy, The Seattle Times, "Hawaii grapples with lava, hurricane as election nears," 6 Aug. 2018 Mascari spoke during the celebration, and the students erupted in cheers when his name was announced. David Anderson, The Aegis, "Fallston Middle School celebrates Maryland Blue Ribbon honor," 4 June 2018 The area is preparing for evacuation, the mayor's office reports, should the lava burst up to the surface, but there's also no way to pinpoint exactly where the lava would erupt. Condé Nast Traveler, "Hawaii's Kilauea Volcano Erupts: Here's What Travelers Should Know," 7 May 2018 Bungard recalled a phone call from a parent who warned him that a fight brewing on social media between two groups of students could erupt on school grounds. Kia Gregory, The Root, "Philadelphia’s Housing Authority Bought a High School: What Does That Mean for One of the City’s Poorest Neighborhoods?," 2 May 2018 Minutes later, the audition concluded with the entire auditorium erupting in applause. Kayla Keegan, Good Housekeeping, "'America's Got Talent' Fans Are Upset After Heidi Klum Gave MaKayla Phillips the Golden Buzzer," 11 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'erupt.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of erupt

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

History and Etymology for erupt

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

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Statistics for erupt

Last Updated

17 Nov 2018

Look-up Popularity

Time Traveler for erupt

The first known use of erupt was in 1657

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English Language Learners Definition of erupt

: to send out rocks, ash, lava, etc., in a sudden explosion; also : to come out in a sudden explosion

: to happen or begin suddenly and violently

: to begin doing something (such as shouting or applauding) suddenly


\i-ˈrəpt \
erupted; erupting

Kids Definition of erupt

1 : to send out lava, rocks, and ash in a sudden explosion The volcano erupted.

2 : to burst out in a sudden explosion Lava erupted from the volcano.

3 : to happen, begin, or appear suddenly War erupted. A rash erupted on my skin.

\i-ˈrəpt \

Medical Definition of erupt 

1 of a tooth : to emerge through the gum

2 : to break out (as with a skin eruption)

Other Words from erupt

eruptive \ -​tiv \ adjective

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Comments on erupt

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a private place of worship

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