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.
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.
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The litigation is occurring as the WNBPA and WNBA prepare for a potential labor dispute with the CBA set to expire on Oct. 31.—Michael McCann, Sportico.com, 18 June 2025 The most hazardous conditions are expected to occur between 5 p.m. and 10 p.m., according to NWS.—Baltimore Sun Staff, Baltimore Sun, 18 June 2025 Two thirds of all atmospheric carbon dioxide emissions since the dawn of the industrial age have occurred since 1990.—Hersh Shefrin, Forbes.com, 18 June 2025 Another major heist occurred in Manhattan on Jan. 2, 1972, when eight armed men walked into the prominent, celebrity-favorite Pierre Hotel just before 3 a.m. and stole $27 million in jewels and cash from its safety deposit boxes.—Rachel Treisman, NPR, 18 June 2025 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
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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