meltdown

/ˈmɛltdaʊn/
noun
  1. A severe accident in a nuclear reactor in which the fuel rods overheat and melt, releasing dangerous radiation.
    • A nuclear meltdown can have catastrophic environmental consequences.
    • The Chernobyl meltdown in 1986 caused widespread contamination.
    • Engineers worked to prevent a meltdown by cooling the reactor core.
  2. A sudden and complete loss of emotional control, often involving crying, anger, or panic.
    • She managed to stay calm during the crisis, but later had a meltdown at home.
    • After losing his job, he had a complete meltdown and couldn't stop crying.
    • The toddler had a meltdown in the grocery store because she wanted candy.
  3. A rapid and severe decline or collapse, especially in financial markets or an economy.
    • The country's economy experienced a meltdown after the currency crashed.
    • Investors panicked during the financial meltdown and sold their shares.
    • The stock market meltdown in 2008 wiped out billions of dollars in value.
Antonyms
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