to happen; take place; come to pass: When did the accident occur?
to be met with or found; present itself; appear: Modest amounts of fructose occur naturally in fruits and vegetables.
to suggest itself in thought; come to mind (usually followed by to): An idea occurred to me.
- pre·oc·cur, verb (used without object), pre·oc·curred, pre·oc·cur·ring.
- re·oc·cur, verb (used without object), re·oc·curred, re·oc·cur·ring.
- un·oc·cur·ring, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use occur in a sentence
Humans must change their relationship to the natural world for proper elephant habitat and population revival to occur.Can artificial intelligence give elephants a winning edge? | Walter Thompson | November 20, 2020 | TechCrunch
The company has 74 satellites already on orbit across three prior launches, which occurred prior to its bankruptcy filing in March.OneWeb emerges from bankruptcy, aims to begin launching satellites again on December 17 | Darrell Etherington | November 20, 2020 | TechCrunch
One is the “blue shift” that occurred in states such as Pennsylvania, where mail-in ballots were counted after in-person ballots.The Polls Weren’t Great. But That’s Pretty Normal. | Nate Silver (firstname.lastname@example.org) | November 11, 2020 | FiveThirtyEight
In 2017, the main breakthrough that triggered a wave of advancement in natural language processing occurred with the publishing of the paper that introduced the idea of transformers.
Routine monitoring occurs through reports that the conservator has to make to the court, which the court has a very high responsibility of reviewing in detail.Why Britney Spears’s fans are convinced she’s being held captive | Constance Grady | November 11, 2020 | Vox
Fewer women are shackled during labor and delivery (PDF), though this still occurs.
It occurs to me that Mount must assume that Hitchcock has read it--after all, it came from him.Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days | David Freeman | December 13, 2014 | THE DAILY BEAST
Spread happens easily, however, and epidemics are propagated when the third form of plague occurs: pneumonia plague.
The opposite phenomenon also occurs: neglected writers who ascend to prominence only posthumously.
If, upon examining the Palmer conundrum, the answer occurs to you, call (301) 243-9800.
When pneumonia occurs during the course of a chronic bronchitis, the characteristic rusty red sputum may not appear.
Diacetic acid occurs in the same conditions as acetone, but is less frequent and has more serious significance.
It also occurs in diseases with extensive and rapid destruction of red blood-corpuscles.
Rarely, sodium urate occurs in crystalline form—slender prisms, arranged in fan- or sheaf-like structures (Fig. 32).
Chyluria occurs most frequently as a symptom of infection by Filaria sanguinis hominis.
British Dictionary definitions for occur
to happen; take place; come about
to be found or be present; exist
(foll by to) to be realized or thought of (by); suggest itself (to)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012