Meaning & use

occur

verb·Everyday

Last updated

UK/əˈkɜːr/
US/əˈkɝː/

Meanings

  1. verbintransitive

    To happen or take place, often unexpectedly.

    Grammar: No object: the accident occurred at night.

    Patterns

    • something occurs
    • something occurs in something

    The accident occurred just after midnight.

    Storms of this kind occur only once every few years.

    If any problems occur, call the helpline.

  2. verbintransitive

    To come into someone's mind as a thought or idea.

    Grammar: Used with to: it never occurred to me to ask.

    Patterns

    • something occurs to someone
    • it occurs to someone that

    It never occurred to her that the door might be locked.

    Did it occur to you to check the weather first?

    A better solution suddenly occurred to him in the shower.

  3. verbintransitiveformal

    To be found or exist in a certain place or situation.

    Grammar: Often followed by in or on: the plant occurs in dry regions.

    Patterns

    • something occurs in something

    This rare orchid occurs only on a few mountain slopes.

    Iron occurs naturally in many kinds of rock.

    Errors of this type occur frequently in first drafts.

Word forms

third person singularoccurs
past tenseoccurred
past participleoccurred
-ing formoccurring

Common combinations

occur naturally
Salt occurs naturally in seawater.
occur to someone
It didn't occur to me that she was joking.
occur frequently
Power cuts occur frequently in the region during winter.
occur without warning
Earthquakes can occur without warning.
occur simultaneously
The two events occurred simultaneously, which confused the investigators.

Synonyms and how they differ

happen
Happen is the everyday word and sounds more casual, while occur is somewhat more formal and common in reports.
take place
Take place suggests a planned or scheduled event, whereas occur often describes something unplanned.
arise
Arise fits problems and questions that come into being, while occur can describe any event.

Word family

occurrence noun
something that happens, or the fact of its happening
recurrence noun
a repeated happening
recur verb
to happen again
reoccur verb
to happen again, a variant of recur

Commonly confused: occur or occupy?

occur vs occupy

Occupy means to fill or take up a space or time, while occur means to happen.

Practice

It never ___ to me that the shop might be closed on Sunday.

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