meltdown

1 of 2

noun

melt·​down ˈmelt-ˌdau̇n How to pronounce meltdown (audio)
1
: the accidental melting of the core of a nuclear reactor
2
: a rapid or disastrous decline or collapse
3
: a breakdown of self-control (as from fatigue or overstimulation)

melt down

2 of 2

verb

melted down; melting down; melts down

intransitive verb

: to suffer a meltdown : collapse

Examples of meltdown in a Sentence

Noun fears that an accident could cause meltdown a company experiencing financial meltdown After a long day at the beach, our toddler had a major meltdown in the car on the way home. Verb rather than melt down, the team strengthened their resolve and ended up winning the game
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.
Noun
By staying out, the president could expect to be blamed not only for permitting the economic meltdown that China’s invasion would trigger but also for losing Taiwan after a decades-long battle of wills between Washington and Beijing over the island’s future. Jennifer Kavanagh, Foreign Affairs, 25 Feb. 2025 Despite years of financial struggle, but the meltdown has come quickly and shockingly to many. Andreas Wiseman, Deadline, 24 Feb. 2025
Verb
Instead, the Chiefs melted down during a key stretch late in the first half and lost 40-22 to the Eagles. Pete Grathoff, Kansas City Star, 11 Feb. 2025 Instead, the focus will be trying to harness his energy and keep him from melting down. Marc Caputo, Axios, 21 Jan. 2025 See All Example Sentences for meltdown

Word History

First Known Use

Noun

1956, in the meaning defined at sense 1

Verb

1956, in the meaning defined above

Time Traveler
The first known use of meltdown was in 1956

Browse Nearby Entries

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Cite this Entry

“Meltdown.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meltdown. Accessed 3 Mar. 2025.

Kids Definition

meltdown

noun
melt·​down ˈmelt-ˌdau̇n How to pronounce meltdown (audio)
1
: the accidental melting of the core of a nuclear reactor
2
: a rapid or disastrous decline or collapse
a financial meltdown
3
: a breakdown of self-control (as from fatigue or overstimulation)

More from Merriam-Webster on meltdown

Last Updated: - Updated example sentences
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