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megadrought

American  
[meg-uh-drout] / ˈmɛg əˌdraʊt /

noun

  1. a severe drought lasting for two or more decades.

    The driest parts of the American West are already in the grips of a megadrought.


Etymology

Origin of megadrought

First recorded in 2000–05; mega- ( def. ) + drought ( def. )

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The river has shrunk dramatically since 2000 in a megadrought that scientists say is probably the most severe in 1,200 years.

From Los Angeles Times May 13, 2026

Whether this megadrought continues or eases will become clearer over the next year or two, he said.

From Los Angeles Times Jul. 30, 2024

How will we know when the megadrought is finally over?

From Los Angeles Times Jul. 30, 2024

Last year’s snow came after a megadrought that started around the turn of the century and was one of the worst in more than 1,000 years.

From Seattle Times Apr. 29, 2024

An example of this is the megadrought in the United States' southwestern region that started in the year 2000 and has continued for more than two decades.

From Science Daily Apr. 2, 2024

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