coincide

verb

coincided; coinciding
Synonyms of coincidenext

intransitive verb

1
a
: 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
I coincided with their views on most subjects.
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
There are plans to install more at other parks and venues coinciding with July Fourth and Veterans Day. Kari Barnett, Sun Sentinel, 14 May 2026 Mollen paid tribute to her yearslong romance with Biggs in an Instagram post last May, which coincided with the actor's 47th birthday. Edward Segarra, USA Today, 14 May 2026 His resignation coincides with the publication on Thursday of government data that shows improvements to the NHS under his leadership. Christian Edwards, CNN Money, 14 May 2026 The results on May 7th, which coincided with elections for the national assemblies in Scotland and Wales, proved to be a catastrophe for the Labour Party and a personal crisis for Keir Starmer, the Prime Minister. Sam Knight, New Yorker, 14 May 2026 See All Example Sentences for coincide

Word History

Etymology

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

First Known Use

1719, in the meaning defined at sense 1a

Time Traveler
The first known use of coincide was in 1719

Browse Nearby Words

Cite this Entry

“Coincide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/coincide. Accessed 21 May. 2026.

Kids Definition

coincide

verb
co·​in·​cide ˌkō-ən-ˈsīd How to pronounce coincide (audio)
coincided; coinciding
1
: to occupy the same place in space or time
2
: to occupy the same positions on a scale
3
: to agree exactly

More from Merriam-Webster on coincide

Love words? Need even more definitions?

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

More from Merriam-Webster