Definition of occur in English:

occur

Line breaks: occur
Pronunciation: /əˈkəː
 
/

verb (occurs, occurring, occurred)

[no object, with adverbial]
  • 1Happen; take place: the accident occurred at about 3.30 p.m.
    More example sentences
    • An air bag is designed to protect a driver or passenger in the event that an accident occurs.
    • Hallucinations usually occur only at particular times and places, and are associated with the events hoped for.
    • The functional impairments secondary to osteoarthritis also occur more frequently in older adults.
    Synonyms
    happen, take place, come about, transpire, materialize, chance, arise, crop up, turn out, fall, come, fall out, pass off
    North American informal go down
    literary come to pass, befall, betide
    archaic hap
    rare eventuate
  • 1.1Exist or be found to be present in a place or under a particular set of conditions: radon occurs naturally in rocks such as granite
    More example sentences
    • Anthrax is a naturally occurring bacterium that exists in the form of spores which allow it to survive in the environment.
    • It is probable that every naturally occurring element is present in the outer core at least at trace levels.
    • Silica is rare but when present occurs in vascular bundle sheath cells in both the leaf sheath and leaf blade.
    Synonyms
    be found, be present, exist, be met with, appear, prevail, present itself, show itself, manifest itself, turn up
    formal obtain
  • 1.2 (occur to) (Of a thought or idea) come into the mind of: [with clause]: it occurred to him that he hadn’t eaten
    More example sentences
    • He would often get up from bed at night when an idea occurred to him and write it down.
    • She turned her eyes down to the paw she held, several ideas occurring to her simultaneously.
    • I leaned over again so that I could see it more clearly, then an idea occurred to me.
    Synonyms
    enter one's head/mind, cross one's mind, come to mind, spring to mind, come to one, strike one, hit one, dawn on one, suggest itself, present itself, come into one's consciousness

Origin

late 15th century: from Latin occurrere 'go to meet, present itself', from ob- 'against' + currere 'to run'.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody