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megadrought

American  
[meg-uh-draut] / 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:

Experts have described the prolonged dry period as a megadrought, and it continues to place intense pressure on the region's limited water supplies.

From Science Daily ● Sep. 23, 2026

Scientists have found that global warming is intensifying this long megadrought and has caused roughly half of the 20% decrease in the Colorado River’s average flow this century.

From Los Angeles Times ● May 27, 2025

They found that this megadrought wouldn’t be nearly as severe without global warming, estimating that 42% of its severity was attributable to higher temperatures.

From Los Angeles Times ● Nov. 7, 2024

If wetter-than-average conditions continue, he said, it might be the case that the megadrought already ended after 23 years in 2023.

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

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