Word.ws English Dictionary

September 11

September 11 proper noun: the terrorist attacks that happened on September 11, 2001.

Proper noun

September 11

  1. The terrorist attacks that happened on September 11, 2001.

Synonyms of September 11

Origin of September 11

From the date, by metonymy.

Questions about September 11

What does September 11 mean?
September 11 means the terrorist attacks that happened on September 11, 2001.
What part of speech is September 11?
September 11 is a proper noun.

Words near September 11 in the dictionary

  1. septectomy
  2. septel
  3. septels
  4. septem-
  5. September
  6. September 11
  7. September call-up
  8. September call-ups
  9. September eleventh
  10. September elm
  11. September elms

Source and license

Adapted from Wiktionary: September 11 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “September 11.” Word.ws, https://word.ws/september_11. Based on Wiktionary, CC BY-SA 4.0.