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.

Keep scrolling for more

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 plan is to have the monument built in Veterans Park in Naperville and dedicated on Sept. 26 to coincide with Gold Star Mother’s Day and Family’s Day, which traditionally is observed on the last Sunday in September, Pande said. Suzanne Baker,, "Century Walk, Irish Fest awarded more money from food and beverage tax," 4 Mar. 2021 To coincide with March Madness, Healthy Mothers, Healthy Babies Coalition of Palm Beach County has launched its first virtual crowdfunding initiative called Baskets4Babies. Kari Barnett,, "Healthy Mothers, Healthy Babies gets supply donation, plans fundraisers," 3 Mar. 2021 To coincide with the 2021 Paris Fashion Week, PSA Group Peugeot Citroën’s flagship arm has captured the zeitgeist by working with a fashion line that claims to absorb harmful emissions from the atmosphere. Nargess Banks, Forbes, "DS Automobiles Reveals CO2 Absorbing Collection At Paris Fashion Week," 2 Mar. 2021 To coincide with the trailer debut, EW chatted with Griffin about Double Cross, Broad City, and Space Jam. Derek Lawrence,, "NBA star (and Broad City alum) Blake Griffin is shooting to Double Cross pranksters," 1 Mar. 2021 Iranian officials issued their rebuff of Biden’s overture to coincide with a brewing dispute between Tehran and the United Nations nuclear watchdog agency. Joel Gehrke, Washington Examiner, "Biden team ‘disappointed’ as Iran demands US ‘kneel’ over sanctions relief," 1 Mar. 2021 The dates of the hurricane season have not been altered since 1965, when they were shifted to coincide with the first and last days of the month. Julia Musto, Fox News, "The 2021 hurricane season names and dates: What could be next for East Coast?," 28 Feb. 2021 The Carroll County Education Association organized the car rally to coincide with the beginning of a school board meeting meant to discuss a return plan for students Wednesday evening. Kristen Griffith,, "Carroll County educators rally for a ‘safer’ return to schools," 24 Feb. 2021 In his role at ZoomCare, Dr. Zeitzer engineers integrated behavioral health, urgent, primary, telemedicine, and specialty care services to coincide with advanced, chronic care models that engage patients and promote health behavior change. oregonlive, "Anna Canzano: Taking your questions about emergency care," 22 Feb. 2021

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.

See More

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

Keep scrolling for more

Learn More about coincide

Time Traveler for coincide

Time Traveler

The first known use of coincide was in 1719

See more words from the same year

Statistics for coincide

Last Updated

7 Mar 2021

Cite this Entry

“Coincide.” Dictionary, Merriam-Webster, Accessed 8 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

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 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.

Keep scrolling for more

Comments on coincide

What made you want to look up coincide? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Who Knew?

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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