English Reference

Word

occurring

Phoneticsoc·cur·ring, stress on the second syllable

US/əˈkɝɪŋ/

UK/əkˈɜːɹɪŋ/

Definitions

01happening

B1 · Intermediate

v. happening or taking place, especially at a specific time.

v. the act of taking place or happening; often used to describe events or incidents.

“The police are investigating several crimes occurring in the city centre this week.”

“The report highlights several technical failures occurring simultaneously during the launch sequence, which ultimately led to the mission's cancellation.”

Usage

Often used in the continuous form to describe ongoing trends or repeated incidents.

Pitfall

The accident was occurring at 5 PM.

The accident occurred at 5 PM.

For sudden, completed events, use the simple past 'occurred' rather than the continuous 'occurring'.

Synonyms

02existing or found

B2 · Upper Intermediate Science Academic

v. existing or being found in a particular place or group.

v. existing or being present within a specific environment, substance, or population.

“These rare plants are only found occurring naturally in this specific forest.”

“The researchers identified high levels of the mineral occurring in the groundwater samples collected near the industrial site.”

Usage

Commonly used with the adverb 'naturally'.

Antonyms

03an event

C1 · Advanced Countable noun Formal

n. an instance of something happening; an event.

n. a specific instance or occurrence of an event or phenomenon.

“The sudden occurring of the storm caught the hikers by surprise.”

“The frequent occurring of these errors suggests a fundamental flaw in the software's architecture.”

Usage

As a gerund-noun, it is less common than 'occurrence'.

04happening in a certain way

C1 · Advanced Academic · Technical

adj. used with another word to describe how often or where something happens.

adj. functioning as a participial adjective, typically in compound forms, to describe the manner or frequency of an event.

“The naturally occurring gases in the cave can be dangerous to breathe.”

“The study focused on co-occurring disorders among patients in the psychiatric ward.”

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
Frequency
Frequent
Level
B1 · Intermediate
Updated

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English Reference