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.
The Klamath tribes, for instance, have passed down a story about the creation of Oregon’s Crater Lake, formed about 7,700 years ago, after Mount Mazama erupted and collapsed into itself. Dan Piepenbring, Harpers Magazine, 19 Sep. 2025 Panic erupted in the plaza as spectators sprinted from the outdoor campus center. Sarah Rumpf-Whitten , Michael Ruiz, FOXNews.com, 19 Sep. 2025 With the sudden collapse of the Japanese empire, hopes, visions, and fractures that had been bottled up for nearly forty years erupted into Korea’s Asian Spring. Kornel Chang september 19, Literary Hub, 19 Sep. 2025 But even amidst the chaos of the conflagration, there’s still a ton of dancing going on, and the video’s end seems to suggest the whole thing was all a fantasy as Kevitch’s routine comes to a close and the crowd erupts in applause. Jon Blistein, Rolling Stone, 18 Sep. 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 20 Sep. 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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