thun·​der·​cloud | \ ˈthən-dər-ˌklau̇d How to pronounce thundercloud (audio) \

Definition of thundercloud

: a cloud charged with electricity and producing lightning and thunder

Examples of thundercloud in a Sentence

We watched the gathering thunderclouds.

Recent Examples on the Web

As a thundercloud begins to darken and swell, its chilly innards host a churning jumble of ice particles. Helen Czerski, WSJ, "A Crash Course in Summer Thunderstorms," 27 June 2018 Things cleared out on the third day, and temperatures rose to the upper 80s as thunderclouds developed in the afternoon and evening. Greg Porter, Washington Post, "PM Update: Heat advisory issued for Sunday as high temperatures approach the triple digits.," 30 June 2018 Fountains of air surge upward inside the growing thundercloud and push the tiniest ice crystals upward, but the larger ice pellets continue to fall, so there are constant collisions. Helen Czerski, WSJ, "A Crash Course in Summer Thunderstorms," 27 June 2018 The turquoise sky, the confetti-speckled purple thunderclouds, the simmering red mountains on the horizon, the acid green grass, along with the stripes and polka dots worn by two Native American women, are all a party for the eyes. Cate Mcquaid,, "At PEM, T.C. Cannon’s paintings exult and reproach," 21 Mar. 2018 Then a one-man thundercloud named Phil Gramm rained on McCain's Main Street parade. Newsweek, "Analysis," 14 Mar. 2018 But earlier this week, low pressure hovered over the region, which would allow warm, moist air to rapidly ascend into the colder air aloft forming thunderclouds. Kathryn Prociv, Washington Post, "Lightning streaks across Honolulu night sky in rare Hawaii storm outbreak," 9 Feb. 2018 While other networks cover the daily scandals that have gathered like a thundercloud over the White House, Fox News has sold itself as a protective cocoon for conservative viewers. Alex Shephard, New Republic, "How News Outlets Became Lifestyle Brands," 22 Feb. 2018 Nike and Adidas were the thundercloud, and NCAA presidents were squealing happily and getting wet. Gregg Doyel, Indianapolis Star, "Doyel: FBI confirms NCAA doesn't run NCAA basketball. Shoe companies do.," 28 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thundercloud.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of thundercloud

1697, in the meaning defined above

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Time Traveler for thundercloud

The first known use of thundercloud was in 1697

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English Language Learners Definition of thundercloud

: a large, dark cloud that produces lightning and thunder


thun·​der·​cloud | \ ˈthən-dər-ˌklau̇d How to pronounce thundercloud (audio) \

Kids Definition of thundercloud

: a dark storm cloud that produces lightning and thunder

More from Merriam-Webster on thundercloud

Rhyming Dictionary: Words that rhyme with thundercloud

Comments on thundercloud

What made you want to look up thundercloud? Please tell us where you read or heard it (including the quote, if possible).


a sum of money that is sent as a payment

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