co·​in·​ci·​dence kō-ˈin(t)-sə-dən(t)s How to pronounce coincidence (audio)
: the act or condition of coinciding : correspondence
… a perfect coincidence between truth and goodness …Robert South
: the occurrence of events that happen at the same time by accident but seem to have some connection
… causal connection requires something more than mere coincidence as to time and place …Wayne R. LaFave
also : any of these occurrences

Examples of coincidence in a Sentence

It was mere coincidence that brought them together so far from Chicago. By coincidence, every man in the room was named Fred. “I'm going to Boston this weekend.” “What a coincidence! I am too.” It was no coincidence that he quit his job at the bank a day after the robbery. a series of strange coincidences By a fortunate coincidence, we arrived at the theater at the same time. Scientists have no explanation for the coincidence of these phenomena. See More
Recent Examples on the Web Nikki Battiste: Is that coincidence, is there a reason for that? Nikki Battiste, CBS News, 25 Nov. 2023 The seasonality of these effects may not be a coincidence, Gulson-Castillo says, but rather a reflection of a younger, less-savvy migratory population in the fall. Maddie Bender, Smithsonian Magazine, 22 Nov. 2023 And the park, known as the Ten Mile River Playground, was located in Harlem, a predominantly Black neighborhood — a fact that seemed to many to be beyond coincidence. Claire Fahy, New York Times, 18 Nov. 2023 The near-simultaneous news that OpenAI has registered the first federal lobbyists to represent its interests in Washington made interesting coincidence. Miles Klee, Rolling Stone, 17 Nov. 2023 The timing of the fire turned out to be no coincidence. Maira Garcia, Los Angeles Times, 13 Nov. 2023 Another coincidence: Both schools sold about 16,000 season tickets the first year in their new venues. Kirk Kenney, San Diego Union-Tribune, 10 Nov. 2023 Responding to the story, the DeSantis administration called the change a coincidence and the result of an overhaul of the website. Will Steakin, ABC News, 8 Nov. 2023 Phil, the quieter of the pair, chalks it up to pure coincidence. Aria Bendix, NBC News, 4 Nov. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'coincidence.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


borrowed from Medieval Latin coincidentia, derivative of coincident-, coincidens, present participle of coincidere "to agree in nature, coincide"

First Known Use

1605, in the meaning defined at sense 1

Time Traveler
The first known use of coincidence was in 1605

Dictionary Entries Near coincidence

Cite this Entry

“Coincidence.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2023.

Kids Definition


co·​in·​ci·​dence kō-ˈin(t)-səd-ən(t)s How to pronounce coincidence (audio)
: the act or condition of coinciding
: two things that happen at the same time by accident but seem to have some connection
: either one of these happenings

More from Merriam-Webster on coincidence

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!