Menacing, Momentous, Necessary, Nihilist, Nihilistic, Ominous, Ordained, Pivotal, Portending, Portentous, Ravaging, Relentless, Ruining, Ruinous, Serious, Significant, Sinister, Sober, Solemn, Subversive, Suicidal, Sure, Threatening, Unavoidable, Uncontrollable, Unfortunate, Unlucky, Unpromising, Unstoppable, Untoward, Unyielding, Wasteful, Wasting, Weighty, Withering, Written, Acute, Apocalyptic, Appointed, Bad, Baleful, Black, Boding, Calamitous, Cataclysmic, Catastrophic, Certain, Conclusive, Consequential, Consuming, Consumptive, Critical, Crucial, Dark, Deadly, Decisive, Demolishing, Desolating, Destined, Destroying, Destructive, Determinative, Devastating, Devoted, Dire, Disastrous, Doomed, Dreary, Earnest, Evil, Fatal, Fated, Foreboding, Formidable, Fratricidal, Gloomy, Grave, Heavy, Ill, Important, Imposing, Inauspicious, Indefeasible, Ineluctable, Inescapable, Inevitable, Inexorable, Inflexible, Irresistible, Irrevocable, Lethal, Lowering, Major, Marked