modified
catastrophic, fateful, fatal, calamitous, disastrous, dire, ill-fated, pitiful, terrible, dreadful, awe-inspiring, deathly, deadly, unfortunate, unhappy, sad, painful, grim, appalling, crushing, heart-rending, heartbreaking, lamentable, shocking, harrowing, desolating, ill-starred, hapless, ruinous, baleful, destructive.
Antonyms happy*, joyous, rollicking.