- An example of occur is when a car crash happens at 2:00.
- An example of occur is to find a shark in a specific area of the ocean.
intransitive verb-·curred′, -·cur′ring
- to be found; exist: fish occur in most waters
- to present itself; come to mind: an idea occurred to him
- to take place; happen
Origin of occurClassical Latin occurrere, to run, come up to, meet from ob- (see ob-) + currere, to run: see current
intransitive verboc·curred, oc·cur·ring, oc·curs
- To take place; come about. See Synonyms at happen.
- To be found to exist or appear: Copper deposits occur in the region.
- To come to mind: The idea never occurred to me.
Origin of occurLatin occurrere ob- toward ; see ob- . currere to run ; see kers- in Indo-European roots.
(third-person singular simple present occurs, present participle occurring, simple past and past participle occurred)
- To happen or take place.
- The liftoff will occur in exactly twelve seconds.
- To present or offer itself.
- I will write if the opportunity occurs.
- (impersonal) To come or be presented to the mind; to suggest itself.
- (sciences) To be present or found.
- The chemical monofluoroacetate occurs in all parts of Dichapetalum cymosum, and is responsible for its toxic effects.
Originally "meet, meet in argument", from Middle French occurrer, from Latin occurrÅ (“run to meet, run against, befall, present itself") from prefix ob- (“against") + verb currÅ (“run, hurry, move").