catastrophic

calamitous cataclysmal cataclysmic costlier costliest costly destructive dire direst disastrous fatal fateful harmful hellfire ill-fated ill-fated/ill-starred more ill fated more ill fated more ill-fated more ill-fated more ill starred more ill-starred more illfated more illfated more illstarred most ill fated most ill fated most ill-fated most ill-fated most ill starred most ill-starred most illfated most illfated most illstarred ruinous star-crossed tumbledown unlucky woeful