9/11

or 9-11

[ nahyn-i-lev-uhn ]

Phonetic (Standard)IPA

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

See September 11 attacks .

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Word History and Origins

Origin of 9/11¹

First recorded in 2000–05

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Example Sentences

After 9/11, George W. Bush authorized the indefinite detention of prisoners in what came to be known as the Global War on Terror.

From Salon

The 9/11 terrorist attacks and the inevitably ensuing debacles in Afghanistan and Iraq stoked a strange mental syndrome made up of fear and grandiosity.

From Salon

Don't forget that the only time that NATO’s Article 5 has been invoked was by the United States, when we came to your support after 9/11.

From Salon

He advised Israel after 7 October not to be blinded by rage, as he said America was after the al-Qaeda’s 9/11 attacks.

From BBC

“On 9/11, all of us went to war,” Rich said.

From Los Angeles Times

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