from The American Heritage® Dictionary of the English Language, 4th Edition

  • intransitive v. To take place; come about. See Synonyms at happen.
  • intransitive v. To be found to exist or appear: Copper deposits occur in the region.
  • intransitive v. To come to mind: The idea never occurred to me.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To happen or take place.
  • v. To present or offer itself.
  • v. To come or be presented to the mind; to suggest itself.
  • v. To be present or found.

from the GNU version of the Collaborative International Dictionary of English

  • intransitive v. To meet; to clash.
  • intransitive v. To go in order to meet; to make reply.
  • intransitive v. To meet one's eye; to be found or met with; to present itself; to appear.
  • intransitive v. To happen; to take place.
  • intransitive v. To come to the mind; to arise in the mind; to suggest itself; to be presented to the imagination or memory; -- of an idea or thought.

from The Century Dictionary and Cyclopedia

  • To run to, as for the purpose of assisting.
  • To run together; meet; clash.
  • To strike the senses; be found; be met with: as, silver often occurs native; the statement occurs repeatedly.
  • To emerge as an event into the actual world; happen; take place; come to pass; befall: as, what has occurred?
  • To strike the mind: with to.
  • Eccles., to coincide in time, so as to interfere each with the celebration of the other: as, two holy days occur.
  • To refer: with to.
  • Synonyms To come to pass, come about, fall out.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. come to one's mind; suggest itself
  • v. come to pass
  • v. to be found to exist


Latin occurrere : ob-, toward; see ob- + currere, to run; see kers- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Originally "meet, meet in argument", from Middle French occurrer, from Latin occurrō ("run to meet, run against, befall, present itself") from prefix ob- ("against") + verb currō ("run, hurry, move"). (Wiktionary)



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