Main Entry: haz·ard·ous
Pronunciation: \ˈha-zər-dəs\
Function: adjective
Date: 1585
1 : depending on hazard or chance
2 : involving or exposing one to risk (as of loss or harm) <a hazardous occupation> <disposing of hazardous waste>
— haz·ard·ous·ly adverb
— haz·ard·ous·ness noun