9/11
AmericanEtymology
Origin of 9/11
First recorded in 2000–05
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.
After 9/11, she worked for the ACLU, representing the Sikh community in a series of discrimination lawsuits.
From Salon • Apr. 12, 2026
It was particularly hard-hit on 9/11, with the surrounding Nassau County losing around 350 people, including many first responders.
From BBC • Apr. 10, 2026
Founded in the wake of the 9/11 attacks and funded by the CIA’s venture-capital arm, Palantir sought to target terrorists and defend American interests.
From MarketWatch • Apr. 4, 2026
Millennials have 9/11 and the 2008 financial crisis.
From The Wall Street Journal • Mar. 9, 2026
In our country, everyone knows about 9/11 and Osama bin Laden.
From "Malala: The Girl Who Stood Up for Education and Changed the World" by Malala Yousafzai
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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.