coincide

verb

co·​in·​cide ˌkō-ən-ˈsīd  ˈkō-ən-ˌsīd 

coincided; coinciding

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.

Synonyms of coincide

• accompany
• happen

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 rebrand’s launch also coincides with the museum’s upcoming exhibition of artifacts from the National Archives to celebrate the 250th anniversary of American independence. —Amanda Rosa may 7, Miami Herald, 7 May 2026

The announcement of the deals coincides with news that Loach will travel to Cannes this year for a screening of a 4K version of Spanish Civil War drama Land and Freedom in the festival’s Cinéma de Plage strand, the lineup for which was unveiled today. —Melanie Goodfellow, Deadline, 7 May 2026

How to protect yourself Hantavirus cases can occur year-round, but the peak seasons in the United States are the spring and summer, which coincide with the reproductive seasons for deer mice. —Karen Garcia, Los Angeles Times, 7 May 2026

The fair will also coincide with the second iteration of the AIR festival organized by the Aspen Art Museum, featuring work by artists including Lucy Raven, Matthew Barney, Camille Henrot, and Adrián Villar Rojas. —Daniel Cassady, ARTnews.com, 7 May 2026

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

Rhymes for coincide

• abide
• allied
• applied
• aside
• astride
• azide
• backside
• bankside
• bastide
• bayside
• bedside
• belied

Kids Definition

coincide

verb

co·​in·​cide ˌkō-ən-ˈsīd 

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