300 Another Word for Hazardous? – Hazardous Synonyms & Antonyms

perilous dangerous risky treacherous threatening menacing unsafe harmful injurious deleterious detrimental noxious toxic poisonous lethal fatal calamitous disastrous catastrophic precarious unstable volatile explosive uncertain unpredictable alarming frightening intimidating foreboding ominous dire gloomy dangerous precarious unstable volatile perilous high-risk unsafe unhealthy unwholesome insalubrious unhealthy unsound insecure unprotected undefended vulnerable susceptible exposed open fragile brittle breakable sensitive delicate unstable unsteady shaky rickety wobbly unsound infirm feeble fragile flimsy frangible splintery weak enfeebled debilitated impaired weakened enervated exhausted spent drained depleted degenerate decrepit dilapidated crumbling decayed rotting putrid fetid foul noisome loathsome abhorrent repulsive repugnant objectionable offensive disagreeable unpleasant distasteful unpalatable bitter acrid caustic corrosive abrasive harsh rough violent ferocious savage brutal cruel merciless pitiless ruthless remorseless unrelenting unforgiving unyielding unmerciful heartless inhumane barbarous barbaric inhuman inhumane.