Definitions

mushroom cloud

NOUN

large ominous cloud

Synonyms

WEAK

fallout nuclear fallout radioactive 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.

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

Furthermore, responding to another meme showing Robbie’s hair replaced with an apparent mushroom cloud, the Barbie account commented, “This Ken is a stylist,” referring to Barbie’s boyfriend.

From Los Angeles Times • Aug. 2, 2023

Some images showed Margot Robbie with a mushroom cloud hairstyle.

From BBC • Aug. 1, 2023

Lauren Bristol is beside me, behind the image of the mushroom cloud after the bombing of Hiroshima.

From "Saints and Misfits" by S.K. Ali