implosion

noun

im·​plo·​sion im-ˈplō-zhən How to pronounce implosion (audio)
1
: the action of imploding
2
: the act or action of bringing to or as if to a center
also : integration
This implosion of cultures makes realistic for the first time the age-old vision of a world culture … Kenneth Keniston
3
: the inrush of air in forming a suction stop
implosive adjective or noun

Examples of implosion in a Sentence

Recent Examples on the Web
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Such tests could be used in research toward compressing a core of uranium with explosives — something that is needed for an implosion-style nuclear weapon. Jon Gambrell, Los Angeles Times, 31 Jan. 2026 Witness, for instance, the vitriol that marked the implosion of the Titan submersible near the Titanic’s wreck, or the concept of Darwin Awards for those who die in extreme ways, including extreme sports. Christopher Ferguson, Big Think, 29 Jan. 2026 The tax’s defenders counter that claims of a Los Angeles real estate market implosion are overblown. Calmatters, Oc Register, 29 Jan. 2026 Some two decades after the debacle of Iraq, the subjective preferences of metropolitan journalism are more widely exposed and, as the implosion of the Washington Post illustrates, the owners of media organs are revealed to be aggressively self-interested. Sean Williams, Harpers Magazine, 27 Jan. 2026 See All Example Sentences for implosion

Word History

Etymology

in- entry 2 + -plosion (as in explosion)

First Known Use

1877, in the meaning defined at sense 3

Time Traveler
The first known use of implosion was in 1877

Browse Nearby Words

Cite this Entry

“Implosion.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/implosion. Accessed 5 Feb. 2026.

Kids Definition

implosion

noun
im·​plo·​sion im-ˈplō-zhən How to pronounce implosion (audio)
: the action of imploding
implosive adjective

More from Merriam-Webster on implosion

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