co·in·cide | \ˌkō-ən-ˈsīd, ˈkō-ən-ˌsīd \
coincided; coinciding

Definition of coincide 

intransitive verb

1a : to occupy the same place in space or time The base of the triangle coincides with one side of the square. The heroic age of bridge construction coincided with the expansion of the railroads …— Mario Salvadori

b : to occupy exactly corresponding or equivalent positions on a scale or in a series 100° Celsius coincides with 212° Fahrenheit.

2 : to correspond in nature, character, or function " … our sentiments coincided in every particular … "— Jane Austen

3 : to be in accord or agreement : concur She coincided with his views on most subjects.

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Synonyms & Antonyms for coincide


agree, concur


differ, disagree

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Choose the Right Synonym for coincide

agree, concur, coincide mean to come into or be in harmony regarding a matter of opinion. agree implies complete accord usually attained by discussion and adjustment of differences. on some points we all can agree concur often implies approval of someone else's statement or decision. if my wife concurs, it's a deal coincide, used more often of opinions, judgments, wishes, or interests than of people, implies total agreement. their wishes coincide exactly with my desire

Examples of coincide in a Sentence

The goals of the business partners coincide. the heaviest snowfall of the season coincided with the start of our weeklong ski vacation

Recent Examples on the Web

Seven teams have already made trade offers for Machado, and this week’s series against the Yankees coincided with news that the Yankees are also making a play for Machado. Eduardo A. Encina,, "Orioles beat Yankees, 6-5, on Schoop's walk-off single in ninth after Machado's multi-homer night," 10 July 2018 Their kiss after Van Uytvanck’s third-round win was broadcast by the BBC, coinciding with the Pride celebrations in London on Saturday. Ben Rothenberg, New York Times, "At Wimbledon, Surprise Guests Arrive for Manic Monday," 9 July 2018 Once reliably Republican, the district’s move to the middle and slightly left over the past decade coincided with an influx of young families, many of whom have children. Jenna Portnoy, Washington Post, "State Sen. Jennifer Wexton wins the Democratic race to run against Rep. Comstock," 12 June 2018 And because of this 29-degree tilt in the grid, the magic moment of the setting sun aligning with Manhattan’s cross streets does not coincide with the June solstice but rather with specific dates in late May and early July. Joe Rao, Scientific American, "Manhattanhenge: What It Is, and How to See It," 29 May 2018 In the lawsuit, Warmbier's attorneys outline how escalating tensions between the Obama and Trump administrations and North Korea coincided with Warmbier's detention. Zachary Cohen And Katelyn Polantz, CNN, "Otto Warmbier's parents sue North Korea over son's death," 26 Apr. 2018 The Thunder’s run not only coincided with Gobert’s foul trouble, but also with placing Melo on the bench. Rohan Nadkarni,, "The Russell Westbrook Inquisition Will Have to Wait," 26 Apr. 2018 Mill’s incarceration and the movement to work toward his release has also, fortunately for him, coincided with the rise of the Philadelphia sports teams on the national stage. Dan Deluca,, "Meek Mill, freed from prison, has his biggest audience ever," 24 Apr. 2018 Give it a try while cleaning up the traditionally Swedish neighborhood on the North Side, starting at 10 a.m. Be sure to check out the coinciding Andersonville Flower and Garden Show from 10 a.m. to 2 p.m. Register. Hannah Steinkopf-frank, RedEye Chicago, "10 ways to go green on Earth Day," 22 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'coincide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of coincide

1719, in the meaning defined at sense 1a

History and Etymology for coincide

borrowed from Medieval Latin coincidere "to be identical in substance, agree in position," from Latin co- co- + incidere "to fall or drop (into), come by chance, chance to happen" — more at incident entry 1

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Statistics for coincide

Last Updated

5 Oct 2018

Look-up Popularity

Time Traveler for coincide

The first known use of coincide was in 1719

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More Definitions for coincide



English Language Learners Definition of coincide

: to happen at the same time as something else

: to agree with something exactly : to be the same as something else


co·in·cide | \ˌkō-ən-ˈsīd \
coincided; coinciding

Kids Definition of coincide

1 : to happen at the same time The band's performance is scheduled to coincide with the fireworks.

2 : to agree exactly Their goals coincided.

3 : to occupy the same space The edges of the wallpaper must coincide.

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