hazardous

/ˈha-zər-dəs/

adjective

  1. involving or exposing one to risk (as of loss or harm)

  2. depending on the effect of unpredictable and unanalyzable forces in determining events : depending on hazard or chance

a hazardous occupation

dangerous hazardous precarious perilous risky mean bringing or involving the chance of loss or injury. dangerous applies to something that may cause harm or loss unless dealt with carefully. hazardous implies great and continuous risk of harm or failure.