a striking occurrence of two or more events at one time apparently by mere chance: Our meeting in Venice was pure coincidence.
the condition or fact of coinciding.
an instance of this.

Origin of coincidence

First recorded in 1595–1605; coincid(ent) + -ence
Related formsnon·co·in·ci·dence, nounpre·co·in·ci·dence, nounsu·per·co·in·ci·dence, noun

Synonyms for coincidence Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for coincidence

Contemporary Examples of coincidence

Historical Examples of coincidence

  • The coincidence was interpreted by Casanova as a propitious sign.

    Casanova's Homecoming

    Arthur Schnitzler

  • He had known the last witness seven or eight years; that was merely a coincidence.

    A Tale of Two Cities

    Charles Dickens

  • "That's a coincidence," observed the stranger, twirling his pale mustache.

  • Was this coincidence, or prevision, or what Mr. Dessoir calls the 'falsification of memory'?


    Benjamin Taylor

  • No one knows how it happened, but there was a coincidence about the time which I must relate.

British Dictionary definitions for coincidence



a chance occurrence of events remarkable either for being simultaneous or for apparently being connected
the fact, condition, or state of coinciding
(modifier) electronics of or relating to a circuit that produces an output pulse only when both its input terminals receive pulses within a specified intervalcoincidence gate Compare anticoincidence
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for coincidence

c.1600, "exact correspondence," from French coincidence, from coincider (see coincide). Meaning "a concurrence of events with no apparent connection" is from 1680s.

Online Etymology Dictionary, © 2010 Douglas Harper