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 release will coincide with the 25th anniversary of the Call of Duty franchise, which debuted in 2003. — Lexi Carson, HollywoodReporter, 18 July 2026

That has coincided with a global investment rally in AI stocks, an industry where India has no champions. — Priyanka Salve, CNBC, 17 July 2026

More than 20 years later, coinciding with Toyota’s expansion in foreign markets, the company shifted to using various wordmarks that used the English name in all capitals. — Encyclopedia Britannica, 17 July 2026

The rise of micro-dramas coincides with the rise of AI, and in China, more than 95 percent of the micro-dramas released early this year were AI-generated. — Xochitl Gonzalez, The Atlantic, 17 July 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