9/11

Or 9-11

[nahyn-i-lev-uhn]

1. September 11, 2001: the day on which Islamic terrorists, believed to be part of the Al-Qaeda network, hijacked four commercial airplanes and crashed two of them into the World Trade Center in New York City and a third one into the Pentagon in Virginia: the fourth plane crashed into a field in rural Pennsylvania.

9-11

1. See September 11 attacks.

Word History and Origins

Origin of 9/11¹

First recorded in 2000–05

Example Sentences

These are similar powers to those applied to al-Qaeda after 9/11.

From BBC

It was a program that was first proposed after the terrorist attacks of 9/11.

From Los Angeles Times

Gabriel says that his childhood was engulfed by outlandish misinformation about 9/11 being "an inside job" and the Royal Family being shape-shifting lizards.

From BBC

“You know, like, ‘From the folks that brought you 9/11, two weeks of laughter in the desert.

From Los Angeles Times

In practice, fear has commanded a sizable lead in the race against satire since 9/11, when ABC cancelled Bill Maher’s “Politically Incorrect.”

From Salon