co·​in·​cide | \ ˌkō-ən-ˈsīd How to pronounce coincide (audio) , ˈkō-ən-ˌsīd How to pronounce coincide (audio) \
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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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 The program, set for 8:00 p.m. ET, will coincide with the first day of Republican hearings to confirm Donald Trump’s nominee to replace the legal and feminist icon in the Supreme Court. Rania Aniftos, Billboard, "How to Watch the Ruth Bader Ginsburg 'Honor Her Wish' Event With Hayley Williams, Kesha & More," 12 Oct. 2020 And that doesn’t necessarily coincide with business hours. Heather Knight,, "Two deaths a day: S.F. drug overdoses fueled by fentanyl are spiking, new figures show," 9 Oct. 2020 But in a cool twist, the new release date will coincide with the 60th anniversary of the original film, which starred Natalie Wood, Richard Beymer and Rita Moreno. Matthew J. Palm,, "New Orlando theater troupe, GOPAR update, Fringe fave | Arts News & Notes," 6 Oct. 2020 The vote may take place in June to coincide with key legislative and local elections. Lorena Rios,, "AMLO Wants Referendum on Probing Ex-Leaders as Midterm Looms," 15 Sep. 2020 As Connecticut moves into colder weather, a surge of COVID-19 could coincide with the yearly flu season. Alex Putterman,, "Is Connecticut ready for a second wave of COVID-19 this fall? Here’s what you need to know about the coming cold weather and the coronavirus pandemic," 8 Sep. 2020 The convention will coincide with the unveiling of a new Black political agenda intended to build on the success of this summer’s protests. Aaron Morrison,, "Thousands expected at Lincoln Memorial today to remember the 1963 March on Washington," 28 Aug. 2020 The convention will coincide with the unveiling of a new Black political agenda intended to build on the success of this summer's protests. Aaron Morrison, Star Tribune, "Thousands gather at March on Washington commemorations," 28 Aug. 2020 The closing will coincide with the opening of the first new buildings on the permanent campus of the San Marcos university, about a mile east near Twin Oaks Valley Road on the south side of State 78. San Diego Union-Tribune, "From the Archives: Cal State San Marcos turns 30," 28 Aug. 2020

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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Time Traveler for coincide

Time Traveler

The first known use of coincide was in 1719

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Statistics for coincide

Last Updated

20 Oct 2020

Cite this Entry

“Coincide.” Dictionary, Merriam-Webster, Accessed 25 Oct. 2020.

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More Definitions for coincide


How to pronounce coincide (audio) How to pronounce coincide (audio)

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 How to pronounce coincide (audio) \
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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