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Synonyms

thundercloud

American  
[thuhn-der-kloud] / ˈθʌn dərˌklaʊd /
Or thunderclouds

noun

  1. cumulonimbus.


thundercloud British  
/ ˈθʌndəˌklaʊd /

noun

  1. a towering electrically charged cumulonimbus cloud associated with thunderstorms

  2. anything that is threatening

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

thundercloud Scientific  
/ thŭndər-kloud′ /

Etymology

Origin of thundercloud

First recorded in 1690–1700; thunder + cloud

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:

A honeybee swarm has as much electric charge as a thundercloud, and the insects’ mass movements in the atmosphere might even have some influence on the weather.

From Scientific American Sep. 13, 2023

The Independent's Helen Brown gave Skinty Fia - "a fierce, dirge-like thundercloud of ruination" - the same score.

From BBC Apr. 23, 2022

A single unexpected bolt from a rogue thundercloud can be just as deadly to an individual, or as damaging to a property, as hundreds from a complex of storms.

From Washington Post Apr. 19, 2022

The General Assembly is unfolding this week under a thundercloud of deep pessimism.

From Seattle Times Sep. 22, 2021

“Okay,” Jones said brightly and blew a great thundercloud of smoke.

From "A Confederacy of Dunces" by John Kennedy Toole

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