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 event, also billed as a rally and prayer meeting, is meant to coincide with U.S. Conference of Catholic Bishops meeting at the nearby Marriott Baltimore Waterfront in November. Emily Opilo,, 13 Oct. 2021 Each month, a book selection will be announced to coincide with the upcoming release of new Netflix content. Katie Campione,, 13 Oct. 2021 The sale, which runs through Oct. 14, also happens to coincide with the date Epic Passes increase in price. Alison Fox, Travel + Leisure, 7 Oct. 2021 Launched April 2021 to coincide with the report, the latter allows consumers to refine their searches via terms including water conservation, worker wellbeing, reuse of materials, animal welfare and reducing emissions. Katie Baron, Forbes, 5 Oct. 2021 Odilon Redon,’’ wasn’t specifically designed to coincide with the creepiest holiday on the calendar. Steven Litt, cleveland, 3 Oct. 2021 The worst king tide flooding of the year is forecast to coincide with next week’s new moon, but the floods return in three weeks with the full moon. Chris Perkins,, 1 Oct. 2021 Friday’s demonstrations were designed to coincide with the opening of the United Nations General Assembly this past week in New York, where climate change was discussed as an urgent issue. Washington Post, 24 Sep. 2021 In the Gaza Strip, Palestinian militants fired two rockets into Israel, apparently meant to coincide with the White House ceremony., 15 Sep. 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

Dictionary Entries Near coincide

coin changer



See More Nearby Entries 

Statistics for coincide

Last Updated

21 Oct 2021

Cite this Entry

“Coincide.” Dictionary, Merriam-Webster, Accessed 28 Oct. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

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.

More from Merriam-Webster on coincide

Nglish: Translation of coincide for Spanish Speakers

Britannica English: Translation of coincide for Arabic Speakers


Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
True or False

Test your knowledge - and maybe learn something along the way.

Love words? Need even more definitions?

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