Longman Dictionary of Contemporary English homepage

Date: 1200-1300
Language: Old French
Origin: hasard 'game of chance played with dice', from Arabic az-zahr 'the chance'

hazard

1 noun
     
haz‧ard1 [countable]
1 something that may be dangerous, or cause accidents or problems
hazard to/for
Polluted water sources are a hazard to wildlife.
That pile of rubbish is a fire hazard (=something that is likely to cause a fire).
health/safety hazard
the health hazard posed by lead in petrol
2 a risk that cannot be avoided
the hazards of something
the economic hazards of running a small farm
occupational hazard (=a danger that exists in a job)
Divorce seems to be an occupational hazard for politicians.
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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