thundercloud

or thun·der·clouds

[ thuhn-der-kloud ]

noun

1. cumulonimbus.

thundercloud

/ ˈθʌndəˌklaʊd /

noun

1. a towering electrically charged cumulonimbus cloud associated with thunderstorms
2. anything that is threatening

thundercloud

/ thŭn′dər-kloud′ /

1. See cumulonimbus

Word History and Origins

Origin of thundercloud¹

First recorded in 1690–1700; thunder + cloud

Example Sentences

A more precise estimate would require observing more thunderclouds.

From Science News

Lightning bolts usually are seen zipping from thunderclouds down toward the ground.

From Science News For Students

For a moment, the gray plane recalled a thundercloud against the clear blue sky.

From The Daily Beast

So he would have run on forever had not Richard thrust him away and gone in to Musa, with a face dark as a thundercloud.

From Project Gutenberg

You know the look he had whenever anything like a thundercloud came up in the sky.

From Project Gutenberg

Every one else was smiling and Joe's frown stood out like a black thundercloud in a clear blue sky.

From Project Gutenberg

Havill was standing at one end, as gloomy as a thundercloud, and at the other was the unfortunate creditor with his hat on.

From Project Gutenberg

Everybody was laughing but the bride, and she looked like a thundercloud.

From Project Gutenberg