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Definitions

mushroom cloud

NOUN
large ominous cloud
Synonyms


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.

On May 28, a fiery mushroom cloud enveloped Cape Canaveral as New Glenn’s engine malfunctioned during a pre-flight test, blowing up the rocket, launch pad and other nearby infrastructure.

From MarketWatch • Jun. 10, 2026

Footage shows the towering rocket erupt in an inferno, followed by a mushroom cloud of smoke as bystanders gathered to watch the launch gasp "Oh no!" and "Oh my God!"

From Barron's • May 29, 2026

Harry Truman’s legacy froze the moment the mushroom cloud rose over Hiroshima.

From The Wall Street Journal • Jan. 16, 2026

The metastasizing mushroom cloud was achieved through practical effects.

From Los Angeles Times • Jan. 2, 2024

A mushroom cloud of black smoke billows into the sky.

From "Dry" by Neal Shusterman and Jarrod Shusterman



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