English Reference

Word

incident

Phoneticsin·ci·dent, stress on the first syllable

US/ˈɪnsədənt/

UK/ˈɪnsɪdənt/

Definitions

01an event or occurrence

B2 · Upper Intermediate Countable noun

n. an event, especially one that is unusual, important, or violent.

n. a discrete event or occurrence, often one that is noteworthy or disruptive in nature.

“The police are investigating a serious incident that happened downtown last night.”

“The border incident sparked a diplomatic crisis, forcing both nations to recall their ambassadors for urgent consultations.”

02a minor problem or interruption

B2 · Upper Intermediate Countable noun

n. a small event that causes a problem or stops something from working correctly.

n. a relatively minor event that causes an interruption, malfunction, or potential crisis, particularly in technical or workplace contexts.

“The flight was delayed due to a small technical incident on the runway.”

“The IT department managed the security incident quickly, ensuring that no sensitive user data was compromised during the server breach.”

03striking a surface

C1 · Advanced Science Technical

adj. used to describe light or energy that is hitting a surface.

adj. falling on or striking a surface; used to describe the direction of a ray or beam relative to the surface it hits.

“The scientist measured the angle of the incident light hitting the glass.”

“The efficiency of the solar panel depends heavily on the angle of the incident radiation throughout the day.”

Usage

Usually placed before the noun it modifies, such as 'incident light' or 'incident ray'.

Synonyms

impinging

Antonyms

04naturally connected to

C2 · Proficiency Law Formal · Technical

adj. happening as a natural part of something else.

adj. occurring as a natural or inevitable consequence of something; inherent or appertaining to a specific role or situation.

“Some stress is incident to the job of a doctor.”

“The court ruled that the risks were incident to the nature of the contract and therefore the company was not liable for the damages.”

Usage

Often follows the pattern 'incident to'.

Antonyms

Collocations

Common phrases and expressions where native English speakers use the word “incident” in context.

Verb

01. investigate the incident

“The authorities are currently investigating the incident to determine the cause of the fire.”

verb + noun

02. prevent an incident

“Strict security measures were put in place to prevent a similar incident from happening again.”

verb + noun

03. report an incident

“Witnesses were encouraged to report the incident to the local police immediately.”

verb + noun

Adjective

04. isolated incident

“The manager insisted that the technical glitch was an isolated incident and not a systemic failure.”

adj + noun

05. minor incident

“Aside from one minor incident involving a flat tire, the road trip was a complete success.”

adj + noun

06. unfortunate incident

“We would like to apologize for the unfortunate incident that occurred during your stay.”

adj + noun

Noun

07. incident report

“The safety officer spent the afternoon filing a detailed incident report regarding the chemical spill.”

noun + noun

Preposition

08. without incident

“The protest march passed off without incident, thanks to the cooperation of the organizers.”

prep + noun

09. incident involving

10. incident occurred

11. incident happened

12. incidents in a hour

Real-World Examples

“Settler attacks took place across several towns and villages, including an incident in which three Palestinians, including a child, were pepper-sprayed in their car.”
Al Jazeera 14 Aug 2026
“The UN’s refugee agency ( UNHCR ) reports that 144 migrants attempting to reach Europe are dead or missing due to a series of “tragic maritime incidents” off the coast of Mauritania last week.”
UN News 12 Aug 2026
“Most of the incidents in Manchester, Liverpool and Sheffield involved private e-scooters, often on public roads, pavements or footpaths, despite that being illegal.”
BBC News 11 Aug 2026
“Those incidents could range from passengers belatedly realising they'd left a device in checked baggage, to devices smoking or catching fire in airport baggage halls, or on flights.”
BBC News 6 Aug 2026

Etymology

Recorded since 1412, from Middle French incident, from Latin incidens, the present active participle of incidō (“to happen, befall”), itself from in- (“on”) + -cidō, the combining form of cadō (“to fall”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

NOUN

incident(B2)

Domains

LawMathematicsPhysics

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Common
Level
B2 · Upper IntermediateOxford
Updated

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