9/11

/ˈnaɪn ɪˈlɛvən/
/naɪnəˈlɛvɪn/
IPA guide

Definitions of 9/11
  1. noun
    the day in 2001 when Arab suicide bombers hijacked United States airliners and used them as bombs
    synonyms: 9-11, Sep 11, Sept. 11, September 11
    see moresee less
    example of:
    terrorist attack
    a surprise attack involving the deliberate use of violence against civilians in the hope of attaining political or religious aims
Cite this entry
Style:
MLA
  • MLA
  • APA
  • Chicago

Copy citation
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘9/11'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family