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 Her gesture cut through the dispiriting circumstances, like a ray of sun through a dark thundercloud. Spencer Case, National Review, "Escape from Wuhan," 20 Feb. 2020 For hundreds of millions of years, thunderclouds and their lightning have been natural partners to fire. Matt Simon, Wired, "Watch Australia's Wildfires Spawn Massive Smoky Thunderclouds," 6 Jan. 2020 Though lightning had been suspected to play a role, the thundercloud energies observed in previous experiments were not great enough to explain the terrestrial gamma-ray flashes. Adam Mann, National Geographic, "Most powerful electrical storm on record detected," 23 Apr. 2019 Spall’s Turner is irascible and uncommunicative, seemingly a thundercloud charged with negativity. Stephanie Zacharek, Time, "The 10 Best Movie Performances of the 2010s," 14 Nov. 2019 On a recent October afternoon as thunderclouds loomed on the horizon, Florsheim canvassed in the Bretton Road neighborhood. Kathleen Mcwilliams,, "Ben Florsheim, the 27-year-old Democrat running for mayor in Middletown, hopes people buy into his optimism, vision for the city," 28 Oct. 2019 Because two warm bodies surround the peninsula, and the sea breeze brings hot air inland, towering thunderclouds form. Caitlin O'kane, CBS News, "Lightning strike kills two giraffes at Florida zoo," 12 June 2019 Gupta wondered if that property could be used to calculate how much energy the thunderclouds contained. Adam Mann, National Geographic, "Most powerful electrical storm on record detected," 23 Apr. 2019 One set of landscapes shows the sublime, such as Joseph Mallord William Turner’s etching of the Scottish Highlands with roiling thunderclouds. Edward Rothstein, WSJ, "‘Extreme Nature!’ Review: Horror and Beauty in the World Around Us," 13 Nov. 2018

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

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The first known use of thundercloud was in 1697

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Cite this Entry

“Thundercloud.” Dictionary, Merriam-Webster, Accessed 3 Aug. 2020.

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More Definitions for thundercloud


How to pronounce thundercloud (audio)

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

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