from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The state or fact of occupying the same relative position or area in space.
  • n. A sequence of events that although accidental seems to have been planned or arranged.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Of objects, the property of being coincident; occurring at the same time or place.
  • n. Of events, the appearance of a meaningful connection when there is none.
  • n. A coincidence point.

from the GNU version of the Collaborative International Dictionary of English

  • n. The condition of occupying the same place in space
  • n. The condition or fact of happening at the same time.
  • n. Exact correspondence in nature, character, result, circumstances, etc.; concurrence; agreement.

from The Century Dictionary and Cyclopedia

  • n. The fact of being coincident, or of occupying the same place in space or the same position in a scale or series; exact correspondence in position: as, the coincidence of equal triangles.
  • n. A happening at the same time or existence during the same period; contemporaneousness.
  • n. Hence Concurrence; agreement in circumstance, character, etc.; more or less exact correspondence generally, or an instance of exact correspondence; especially, accidental or incidental concurrence; accidental agreement: as, the coincidence of two or more opinions.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the quality of occupying the same position or area in space
  • n. an event that might have been arranged although it was really accidental
  • n. the temporal property of two things happening at the same time


from Wiktionary, Creative Commons Attribution/Share-Alike License

coincide + -ence


  • The first thing I think when I hear the word coincidence is synchronicity, and then I think, clear as day, that those things happened on the same day because of what the stars said would happen.

    Vivian Rising

  • The word coincidence exists in order to stop people from seeing meaning where none exists.

    Eating the Dinosaur

  • Not a coincidence is my guess, but no one should confuse causation and correlation. Perspective

  • Also a coincidence is the moving of devolution-friendly Huw Irranca from the Welsh Office to DEFRA.

    Archive 2008-10-01

  • It really is a fantasy sub-genre all its own, though you don't see it in comics very often... come to think of it, the last comics-type entry in the genre I recall was also called Stardust, though that one was nothing like this one apart from the title coincidence and the bare fact of its our-world-meets-fairytale-world premise.

    Saturday’s Spring Cleaning | Comics Should Be Good! @ Comic Book Resources

  • Belatedly the teacher realized the problem of the name coincidence; she assured the class that there was nothing wrong with playing with dolls, that it teaches both girls and boys how to become parents when they grow up.

    Failing at FAIRNESS

  • Then occurred an instance of what we call a coincidence, but which the shepherd of the downs, nursed in the old beliefs and traditions, prefers to regard as an act of providence.

    A Shepherd's Life Impressions of the South Wiltshire Downs

  • I could always have him come up with some excuse to call him and mention in passing that you are one of John’s clients—use the name coincidence that started this whole thing.

    Separate Cabins

  • The odd coincidence is unsettling not so much for my sense of timing; it marks an opportunity missed and a personal goal that is now impossible to achieve.

    A Cookie for Mr. Updike « Write Anything

  • Another interesting Obama-related coincidence is that 2009 is the 50th anniversary of the entry of both Hawaii and Alaska into the union of the United States.

    2009 Crystal Ball « We Don't Count Your Own Visits To Your Blog


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  • I really like the examples for this.

    August 10, 2011