GRE TOEFL hazardous Definition Involving risk or danger. Example "Working with chemicals can be hazardous without proper protective gear." Sign in to save GRE Quiz → TOEFL Quiz → ← hazard haze → Study tips featuring "hazardous" Map Each Word Into a Connected Network Force Contrast Between Two Similar Words Track How TOEFL Words Behave With Others Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant