occur

verb

oc·​cur ə-ˈkər How to pronounce occur (audio)
occurred; occurring ə-ˈkər-iŋ How to pronounce occur (audio)
-ˈkə-riŋ
Synonyms of occur

intransitive verb

1
: to be found or met with : appear
This bird occurs in New England in the spring.
2
: to come into existence : happen
The accident occurred at 5 p.m.
3
: to come to mind
an idea that has occurred to me

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The Meaning of Occur and the Spelling of Its Forms

Occur has three meanings. It means "to be found or met with; appear," as in "a phenomenon that occurs around the world"; it means "to come into existence; happen," as in "an event that occurred on Friday"; and it means "to come to mind," as in "it occurs to me that the word is quite useful."

It's an unusual-looking word, being so small but with two c's up against each other, and then just a simple r at the end. The r is doubled, though, for the past tense: occurred. And the double r continues in the present participle: occurring.

Examples of occur in a Sentence

The event is scheduled to occur at noon tomorrow. No one was ready for what was about to occur. There's a chance that a similar event will occur in the future. The disease tends to occur in children under the age of five. The plant occurs naturally throughout South America.
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.
Since that occurred, stadium management has met with the Chairman of the Board of Selectmen and other Town leaders to learn the reasons for the modifications and to work towards an amendment to the stadium lease that would build upon our decades-long partnership. Chad Graff, New York Times, 17 June 2026 Calls to boycott Japanese products occur frequently whenever old grievances re-emerge. Jessie Yeung, CNN Money, 17 June 2026 The most gripping moments occur when Wiki turns inward. Lei Takanashi, Pitchfork, 16 June 2026 The deadly narcotics that flooded the Hub area of the South Bronx plagued the already struggling community, and were responsible for at least five overdoses that occurred in the area during the yearlong investigation, police and prosecutors said. Leonard Greene, New York Daily News, 16 June 2026 See All Example Sentences for occur

Word History

Etymology

borrowed from Latin occurrere "to run to meet, confront in a hostile manner, be met, present itself (to the mind)," from oc-, assimilated variant of ob- ob- + currere "to run, roll, move swiftly" — more at current entry 1

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of occur was in the 15th century

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Cite this Entry

“Occur.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/occur. Accessed 17 Jun. 2026.

Kids Definition

occur

verb
oc·​cur ə-ˈkər How to pronounce occur (audio)
occurred; occurring -ˈkər-iŋ How to pronounce occur (audio)
1
: to be found or met with : appear
plants that occur in meadows
2
: to come into existence : happen
an accident occurred on the way to school
success doesn't just occur, it is earned
3
: to come into the mind
it just occurred to me
Etymology

from Latin occurrere "to be found or met with, appear," literally, "to run up against," from oc-, ob- "in the way" and currere "to run" — related to current, incur

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