coincident

adjective

co·​in·​ci·​dent kō-ˈin(t)-sə-dənt 

-ˌdent

1

: of similar nature : harmonious

a theory coincident with the facts

2

: occupying the same space or time

coincident events

Animal hibernation is usually coincident with the approach of winter.

coincidently

kō-ˈin(t)-sə-dənt-lē 

-ˌdent-;

(ˌ)kō-ˌin(t)-sə-ˈdent-lē

adverb

Synonyms

• accompanying
• attendant
• attending
• coexistent
• coexisting
• coincidental
• concomitant
• concurrent

Choose the Right Synonym for coincident

contemporary, contemporaneous, coeval, synchronous, simultaneous, coincident mean existing or occurring at the same time.

contemporary is likely to apply to people and what relates to them.

Abraham Lincoln was contemporary with Charles Darwin

contemporaneous is more often applied to events than to people.

contemporaneous accounts of the kidnapping

coeval refers usually to periods, ages, eras, eons.

two stars thought to be coeval

synchronous implies exact correspondence in time and especially in periodic intervals.

synchronous timepieces

simultaneous implies correspondence in a moment of time.

the two shots were simultaneous

coincident is applied to events and may be used in order to avoid implication of causal relationship.

the end of World War II was coincident with a great vintage year

Examples of coincident in a Sentence

the hard economic times and the coincident increase in crime were a double strain on the city's social services

a study to determine whether the areas with the highest family incomes were coincident with the locations boasting the highest percentage of college graduates

Recent Examples on the Web

The timing of these changes were roughly coincident with clarification of Information Blocking rules and Epic’s introduction of its own competing product. —Seth Joseph, Forbes, 26 Feb. 2024

Another suggestion is that there were two more or less coincident eruptions, one each in northern and southern hemispheres. —Erik Klemetti, Discover Magazine, 26 July 2011

The researchers say the onset of rapid warming at the summit is coincident with a weakening and shifting in the polar vortex that began in the mid-1980s. —Tom Yulsman, Discover Magazine, 15 Apr. 2013

These coincident indicators look fairly good as of on July 1, 2022. —Bill Conerly, Forbes, 5 July 2022

Word History

Etymology

borrowed from Medieval Latin coincident-, coincidens, present participle of coincidere "to agree in nature, coincide"

First Known Use

circa 1587, in the meaning defined at sense 1

Kids Definition

coincident

adjective

co·​in·​ci·​dent kō-ˈin(t)-səd-ənt 

1

: of similar nature : harmonious

a theory coincident with the facts

2

: occupying the same space or time

coincident events

coincidently adverb