coincidence
Americannoun
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a striking occurrence of two or more events at one time apparently by mere chance.
Our meeting in Venice was pure coincidence.
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the condition or fact of coinciding.
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an instance of this.
noun
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a chance occurrence of events remarkable either for being simultaneous or for apparently being connected
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the fact, condition, or state of coinciding
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(modifier) electronics of or relating to a circuit that produces an output pulse only when both its input terminals receive pulses within a specified interval Compare anticoincidence
coincidence gate
Other Word Forms
Derived Forms
Etymology
Origin of coincidence
First recorded in 1595–1605; coincid(ent) + -ence
Explanation
People love to talk about strange coincidences––like you and your mother having the same birthday, or two unrelated families named "The Martins" living next door to each other. A coincidence is something that's not planned or arranged but seems like it is. Technically, a coincidence is an occurrence of events that happen at the same time by total accident––like you and a kid from your class at school both visit the Grand Canyon on the same day. Weird. If some guy is stalking you, always running into you wherever you go, this is not a coincidence. That guy has memorized your schedule.
Vocabulary lists containing coincidence
Wonder
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"The Monkey's Paw" by W. W. Jacobs
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Twelve Angry Men
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Coincidence or not, UCLA’s offense started moving the ball after making a switch along the offensive line in the second half.
From Los Angeles Times • Sep. 7, 2025
Beyond her "killer singles" Espresso and Please Please Please, Carpenter is at her best as "a kind of Gen Z Dolly Parton" on the songs Coincidence and Slim Pickins, Segal wrote.
From BBC • Aug. 23, 2024
Coincidence or were they part of the plan?
From Washington Times • Nov. 8, 2023
Coincidence or purposeful scheduling from the production crew to introduce just a whisper of drama to the show?
From Salon • Oct. 21, 2023
Coincidence and the Law In 1964 in Los Angeles a blond woman with a ponytail snatched a purse from another woman.
From "Innumeracy: Mathematical Illiteracy and Its Consequences" by John Allen Paulos
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
