Meaning of HAZARDOUS in English

HAZARDOUS

/ ˈhæzədəs; NAmE -ərdəs/ adjective

involving risk or danger, especially to sb's health or safety :

hazardous waste / chemicals

a hazardous journey

It would be hazardous to invest so much.

a list of products that are potentially hazardous to health

••

WORD ORIGIN

mid 16th cent.: from French hasardeux , from hasard chance, from Spanish azar , from Arabic az-zahr chance, luck, from Persian zār or Turkish zar dice.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.