coincide

B2 Topic:Actions & Processes

US /ˌkoʊɪnˈsaɪd/ See IPA manual

Freq #25316

Meanings

1

verb
To happen at the same time.

The conference will coincide with his vacation.
2

verb
To match or agree with something.

Our ideas coincide, except in a few areas.
3

verb
To occupy exactly the same space or position.

The two squares coincide perfectly.

Verb forms

Verb forms are not available for this word yet.

Thesaurus

Synonyms

1 verb · to happen at the same time. concur

Word family

Forms coincidedcoincidescoinciding

Derived forms coincidence coincidentcoincidercoincidinglynoncoinciding

Related forms simultaneous

Simplified etymology

Coincide was borrowed in the early 18th century from medieval Latin coincidere, formed from co-, meaning together with, and incidere, meaning to fall upon or into. Its earliest English sense was to occupy the same space.

Etymology

From French coïncider, from Medieval Latin coincidere, from con- + incidere, from in- (“into, to”) + cadere (“to fall, fall down, drop”).

*ḱh₂d- Proto-Indo-European coïncider French coincido la-med

View etymology graph ->

Topics

Actions & Processes

External links

# coincide

**Type:** Word
**Level:** B2
**Part of speech:** verb
**IPA (US):** /ˌkoʊɪnˈsaɪd/
**Frequency rank:** 25316

## Meanings
1. To happen at the same time.
2. To match or agree with something.
3. To occupy exactly the same space or position.

## Examples
- The conference will coincide with his vacation.
- Our ideas coincide, except in a few areas.
- The two squares coincide perfectly.

## Derived Forms
- coincidence
- coincident
- coincider
- coincidingly
- noncoinciding

## Related Forms
- simultaneous

## Roots and Affixes
- Root: *ḱh₂d-
- Root: coïncider
- Root: coincido

## Etymology
From French coïncider, from Medieval Latin coincidere, from con- + incidere, from in- (“into, to”) + cadere (“to fall, fall down, drop”).

## AI Etymology
coincide is a verb. It is from French coïncider, from Medieval Latin coincidere, from con- + incidere, from in- (“into, to”) + cadere (“to fall, fall down, drop”). Historical forms in the chain include *ḱh₂d- (Proto-Indo-European), coïncider (French), and coincido (Medieval Latin). Current senses include to happen at the same time, to match or agree with something, and to occupy exactly the same space or position. Derived forms include coincidence, coincident, coincider, coincidingly, and noncoinciding. Related words include simultaneous.

## Topics
- Actions & Processes

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