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
But on this team, there’s too much baseball IQ, pitching, veteran stability and ability to win games in a wide variety of ways for a complete meltdown, absent a cruel injury barrage. Tom Krasovic, San Diego Union-Tribune, 13 Apr. 2025 Those reports signaled that price pressures in the pipeline before the April trade war and market meltdown were not as bad as economists had predicted. Kevin Stankiewicz,matthew J. Belvedere, CNBC, 13 Apr. 2025
Verb
Lee also led for the first 36 holes at The PLAYERS Championship, but eventually melted down and finished tied for 20th. Ron Estes, MSNBC Newsweek, 30 Mar. 2025 Needless to say, the right-wing internet melted down about her performance immediately. Abby Monteil, Them, 24 Mar. 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 Words

See all Nearby Words

Cite this Entry

“Meltdown.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/meltdown. Accessed 18 Apr. 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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