explosion

noun

ex·​plo·​sion ik-ˈsplō-zhən How to pronounce explosion (audio)
Synonyms of explosionnext
1
: the act or an instance of exploding
injured in a laboratory explosion
2
: a large-scale, rapid, or spectacular expansion or bursting out or forth
the explosion of suburbia
an explosion of red hair
3
: the release of occluded breath that occurs in one kind of articulation of stop consonants

Examples of explosion in a Sentence

The filmmakers staged the car's explosion. The island was rocked by a series of volcanic explosions. The region has experienced a population explosion. His comments prompted an explosion of laughter from the crowd.
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.
Iranian state television reported the sound of explosions heard in Isfahan, Karaj, Tabriz and Tehran, without immediately elaborating. Jon Gambrell, Los Angeles Times, 8 June 2026 Several explosions were heard in the Iranian cities of Tehran, Tabriz, and Isfahan, local media reported early on June 8. Thao Nguyen, USA Today, 8 June 2026 Earlier, Israel bombed Iranian cities—with explosions heard in Tehran, Tabriz, and Isfahan—as well as an Iranian petrochemical plant in Bandar-e Mahshar after intercepting a wave of ballistic missiles from Iran on Sunday night. Miranda Jeyaretnam, Time, 8 June 2026 Iranian state television reported the sound of explosions being heard in Isfahan, Karaj, Tabriz and Tehran, without immediately elaborating. Jon Gambrell, Chicago Tribune, 8 June 2026 See All Example Sentences for explosion

Word History

Etymology

Latin explosion-, explosio act of driving off by clapping, from explodere

First Known Use

1681, in the meaning defined at sense 1

Time Traveler
The first known use of explosion was in 1681

Browse Nearby Words

Cite this Entry

“Explosion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/explosion. Accessed 15 Jun. 2026.

Kids Definition

explosion

noun
ex·​plo·​sion ik-ˈsplō-zhən How to pronounce explosion (audio)
1
: the act or an instance of exploding
2
: a violent outburst of feeling

Medical Definition

explosion

noun
ex·​plo·​sion ik-ˈsplō-zhən How to pronounce explosion (audio)
: the act or an instance of exploding

More from Merriam-Webster on explosion

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster