\ i-ˈrəpt How to pronounce erupt (audio) \
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 How to pronounce eruptible (audio) \ adjective
eruptive \ i-​ˈrəp-​tiv How to pronounce eruptive (audio) \ 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 August 6 What began as a series of marches in Hong Kong against proposed legislation to allow extraditions to mainland China has erupted into a broader challenge to Beijing’s grip on the city. Washington Post, "Why Hong Kong Is Still Protesting and Where It May Go Next," 18 Sep. 2019 The blast, which erupted after fire crews arrived to investigate the smell of gas killed 68-year-old Fire Capt. Fox News, "Maine firefighter killed in propane blast was injured fire chief's brother," 17 Sep. 2019 White settlers were already moving through the area, and their government was building forts and sending soldiers, prompting skirmishes over land and sovereignty that would eventually erupt into open war. Brooke Jarvis, The New Yorker, "Who Speaks for Crazy Horse?," 16 Sep. 2019 The Atascocita graduate made an appearance at a pep rally that erupted the student body into a frenzy. Marcus Gutierrez, Houston Chronicle, "Carsen Edwards returns to Atascocita as his No. 3 jersey is retired," 13 Sep. 2019 In total, 39 people — 33 passengers and six crew members — were aboard the 75-foot Conception for a Labor Day weekend diving excursion when the boat erupted into flames at 3:30 a.m. that Monday morning. Claudia Harmata,, "Last Missing Victim from Tragic California Boat Fire Found," 12 Sep. 2019 The massive volcano, which last erupted 1500 years ago, rises just 1° south of the equator. Tim Appenzeller, Science | AAAS, "Global warming has made iconic Andean peak unrecognizable," 11 Sep. 2019 The stadium buzzes with nervous excitement that erupts into a roar when Mayfield runs onto the field. Charlotte Wilder,, "A Desperate Hope in Cleveland," 8 Sep. 2019 Basaltic lava, which erupts around 1,100 degrees Celsius (2,012 degrees Fahrenheit), contains magnetite, an iron oxide whose outermost electrons orient themselves along the Earth’s magnetic field. Emily Toomey, Smithsonian, "Earth’s Magnetic Field Could Take Longer to Flip Than Previously Thought," 8 Aug. 2019

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

3 Nov 2019

Time Traveler for erupt

The first known use of erupt was in 1657

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More Definitions for erupt


How to pronounce erupt (audio)

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 How to pronounce erupt (audio) \
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 How to pronounce erupt (audio) \

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 How to pronounce eruptive (audio) \ adjective

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More from Merriam-Webster on erupt

Thesaurus: All synonyms and antonyms for erupt

Rhyming Dictionary: Words that rhyme with erupt

Spanish Central: Translation of erupt

Nglish: Translation of erupt for Spanish Speakers

Britannica English: Translation of erupt for Arabic Speakers

Comments on erupt

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an agreement to stop fighting a war

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