English Reference

Word

hazard

Phoneticshaz·ard, stress on the first syllable

US/ˈhæzɝd/

UK/hˈæzəd/

Definitions

01a danger or risk

B2 · Upper Intermediate Countable noun

n. something that is dangerous and could cause harm or an accident.

n. a potential source of harm, danger, or risk. Countable in most contexts.

“Wet floors are a serious safety hazard in a busy restaurant.”

“The safety inspector identified several fire hazards in the old warehouse, including blocked exits and faulty electrical wiring.”

Antonyms

02golf course obstacle

B2 · Upper Intermediate Countable noun Sports

n. an area on a golf course that is difficult to play out of, like a pond or a sand pit.

n. a permanent obstacle on a golf course, such as a bunker or a water feature, designed to increase the difficulty of play.

“His ball landed in a water hazard, so he had to take a penalty shot.”

“The course designer strategically placed sand hazards around the green to challenge even the most experienced professional golfers.”

Synonyms

03computing/CPU error

C1 · Advanced Countable noun Computing Technical

n. a technical problem in a computer's processor that stops it from working correctly for a moment.

n. a condition in a CPU pipeline where the next instruction cannot execute in the following clock cycle due to data or control dependencies.

“The engineer had to fix a data hazard that was slowing down the processor.”

“Modern microarchitectures use complex forwarding logic to mitigate the performance impact of data hazards in the instruction pipeline.”

Synonyms

pipeline stalldependency

04an old dice game

C2 · Proficiency Uncountable noun Archaic

n. a game of chance played with dice that was popular hundreds of years ago.

n. a gambling game played with two dice, popular from the medieval period through the 19th century.

“The characters in the old story spent their evenings playing hazard in the tavern.”

“In the eighteenth century, many aristocrats lost their family fortunes at the hazard tables of London's exclusive gaming clubs.”

Synonyms

gamblinggame of chance

05to suggest or guess

C1 · Advanced Formal

v. to say something even though you know you might be wrong.

v. to venture or risk a statement or guess, often used in the polite phrase 'hazard a guess'.

“I would not dare to hazard a guess about who will win the election.”

“Few economists were willing to hazard a prediction regarding the long-term effects of the new trade policy.”

Usage

Usually takes a direct object like 'guess', 'opinion', or 'prediction'.

Collocations

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

Verb

01. eliminate a hazard

“The safety inspector ordered the factory to eliminate the fire hazard immediately.”

verb + noun

02. identify a hazard

“Workers are trained to identify potential hazards before they start their shift.”

verb + noun

03. pose a hazard

“Discarded plastic bottles pose a significant hazard to local marine life.”

verb + noun

Adjective

04. environmental hazard

“The chemical spill created a major environmental hazard for the surrounding wetlands.”

adj + noun

05. occupational hazard

“Back pain is a common occupational hazard for those working in the construction industry.”

adj + noun

06. potential hazard

“The report highlighted several potential hazards that could arise during the demolition.”

adj + noun

Noun

07. health hazard

“The accumulation of toxic waste in the river is a serious health hazard to the community.”

noun + noun

08. safety hazard

“Loose electrical wiring in the office was flagged as a major safety hazard.”

noun + noun

Real-World Examples

“She fiercely attacked the federal government’s decision to get people quickly back to work at New York’s Ground Zero, despite the health hazards.”
The Guardian 12 Aug 2026
“Fans, for example, can become trip hazards because they are not part of her usual layout.”
BBC News 11 Aug 2026

Word family

NOUN

hazard(C1)

Idioms

Domain

Programming

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.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL 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: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Frequent
Level
C1 · AdvancedOxford
Updated

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English Reference