thunderhead

noun
thun·​der·​head | \ ˈthən-dər-ˌhed How to pronounce thunderhead (audio) \

Definition of thunderhead

: a rounded mass of cumulus or cumulonimbus cloud often appearing before a thunderstorm

Examples of thunderhead in a Sentence

A thunderhead was forming to the west.
Recent Examples on the Web Like a thunderhead, the huge cloud spawned lightning strikes, worrying firefighters because of their potential to start new fires. BostonGlobe.com, 20 July 2021 Like a thunderhead, the huge cloud spawned lightning strikes, worrying firefighters because of their potential to start new fires. New York Times, 19 July 2021 That looming thunderhead noted, the race does bring a nosegay of talent and some fine old masters at the game, among them, D. Wayne Lukas and Crowded House. Guy Martin, Forbes, 15 May 2021 Their thunderhead clouds can extend 40 miles from base to top, which is five times the height of Earth's thunderheads. Ashley Strickland, CNN, 11 May 2021 The impending doom of the 2021 CBA expiration will hang over the game like a thunderhead. Allie Morris, Dallas News, 14 June 2020 Positively charged clouds rise, creating a tall cloud called a thunderhead. Rebecca Renner, National Geographic, 10 June 2020 Away to the west thunderheads parted theatrically to reveal additional islands moored in distant anchorages of sun. Stanley Stewart, Condé Nast Traveler, 22 May 2020 The thunderhead of smoke, a purple lesion on the orange twilight, is mysterious but not alarming. Dan Zak, Washington Post, 4 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'thunderhead.' 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 thunderhead

1843, in the meaning defined above

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Time Traveler for thunderhead

Time Traveler

The first known use of thunderhead was in 1843

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Dictionary Entries Near thunderhead

thunder-gust

thunderhead

thundering

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Statistics for thunderhead

Last Updated

25 Jul 2021

Cite this Entry

“Thunderhead.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thunderhead. Accessed 30 Jul. 2021.

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More Definitions for thunderhead

thunderhead

noun

English Language Learners Definition of thunderhead

chiefly US : a very large cloud appearing before a thunderstorm

thunderhead

noun
thun·​der·​head | \ ˈthən-dər-ˌhed How to pronounce thunderhead (audio) \

Kids Definition of thunderhead

: a rounded mass of dark cloud with white edges often appearing before a thunderstorm

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