Hiroshima
Americannoun
noun
Discover More
On August 6, 1945, Hiroshima was almost completely destroyed by the first atomic bomb (see also atomic bomb) ever dropped on a populated area. Followed by the bombing of Nagasaki, on August 9, this show of Allied strength hastened the surrender of Japan in World War II.
Many survivors of these bombings have suffered from a variety of diseases caused by radiation, such as leukemia.
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.
Artifacts from the birth of the nuclear age are also featured, including items recovered from postwar Hiroshima and a letter from the father of the nuclear bomb, Robert J. Oppenheimer.
From Los Angeles Times • Mar. 27, 2026
And I asked the class, “Do you think that the bombing of Hiroshima and Nagasaki was justified as payback for what the Japanese military had done in Nanjing?”
From Salon • Feb. 25, 2026
"They dropped a bomb at Hiroshima and it was all called off," he said on the 75th anniversary of VJ day in 2020.
From BBC • Feb. 9, 2026
The biggest was around 200 times more powerful than the bomb the United States dropped on Hiroshima in 1945.
From Barron's • Jan. 22, 2026
Did he go to school in the open air in Hiroshima?
From "A Place to Belong" by Cynthia Kadohata
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.