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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In a long thread, White said there is evidence pointing to the sudden implosion of Hong Kong hedge funds that held call options in BlackRock’s IBIT, which is the world’s biggest Bitcoin ETF. Jeff John Roberts, Fortune, 6 Feb. 2026 Inconveniently, the United States had recently canceled about $12 million worth of annual foreign aid benefiting Tibetan-exile communities as part of the implosion of USAID. Hana Kiros, The Atlantic, 3 Feb. 2026 Even in the spring of 2009, just months after the spectacular implosion of Lehman Brothers and with millions of Americans out of work, Warsh sounded more focused on prices. Matt Egan, CNN Money, 2 Feb. 2026 That can be put down in part to Viaplay’s implosion. Marta Balaga, Variety, 1 Feb. 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 15 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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