hazard - definition and synonyms

noun [countable] 

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  1. something that could be dangerous or could cause damage or accidents

    One of the most widespread natural hazards is flooding.

    hazard of:

    We know the hazards of modern warfare.

    hazard to:

    Broken glass is a hazard to bare feet.

    fire/radiation/traffic hazard:

    There must be protection from radiation hazards.

    health hazard:

    Pollution is a major health hazard.