erupt
Americanverb (used without object)
-
to burst forth.
Molten lava erupted from the top of the volcano.
- Synonyms:
- vent
-
(of a volcano, geyser, etc.) to eject matter.
-
to break out of a pent-up state, usually in a sudden and violent manner.
Words of anger erupted from her.
-
to break out in a skin rash.
Hives erupted all over his face and hands.
-
(of teeth) to grow through surrounding hard and soft tissues and become visible in the mouth.
verb (used with object)
-
to release violently; burst forth with.
She erupted angry words.
- Synonyms:
- vent
-
(of a volcano, geyser, etc.) to eject (matter).
verb
-
to eject (steam, water, and volcanic material such as lava and ash) violently or (of volcanic material, etc) to be so ejected
-
(intr) (of a skin blemish) to appear on the skin; break out
-
(intr) (of a tooth) to emerge through the gum and become visible during the normal process of tooth development
-
(intr) to burst forth suddenly and violently, as from restraint
to erupt in anger
Other Word Forms
Etymology
Origin of erupt
First recorded in 1650–60; from Latin ēruptus “burst forth, broken out” (past participle of ērumpere ), equivalent to ē- “out of, from” + ruptus, past participle of rumpere “to break, rupture”; see origin at e- 1, rupture
Explanation
A rash, a volcano, applause, violence, all of these are things that are prone to erupt, meaning they suddenly become active. The word erupt has origins in the Latin word eruptus, the past participle of erumpere, meaning to burst forth. This lively verb can be used to describe anything that is released in a quick, violent burst, such as a bomb exploding or lava spewing forth from a volcano or even laughter. It can also be used to describe the arrival of things that burst through more quietly (but often more painfully), such as a skin condition or a tooth that’s breaking through one's gum.
Vocabulary lists containing erupt
Make a Break for It: Rupt
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
They erupt in a chorus of cheers and gasps as they watch paper fortunes being made and erased in seconds.
From The Wall Street Journal • May 13, 2026
And erupt Hearts did in this frantic contest at Motherwell.
From BBC • May 9, 2026
At the center of many of these controversies is a company called Pangram, whose CEO, Max Spero, has become the go-to authority when A.I. authorship disputes erupt.
From Slate • Apr. 17, 2026
"The volcano did not erupt just once -- it evolved over time as conditions in the subsurface changed."
From Science Daily • Feb. 23, 2026
Then one hundred children erupt into four fast claps, their fisted arms raised to the sky, and scream “Angkar! Angkar! Angkar!”
From "First They Killed My Father: A Daughter of Cambodia Remembers" by Loung Ung
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
