| Disastrous 1. (a.) Full of unpropitious stellar influences; unpropitious; ill-boding. 2. (a.) Attended with suffering or disaster; very unfortunate; calamitous; ill-fated; as, a disastrous day; a disastrous termination of an undertaking. Thesaurus Entries appalling, awful, baneful, black, calamitous, cataclysmal, cataclysmic, catastrophic, consuming, consumptive, convulsive, deadly, demolishing, demolitionary, depredatory, desolating, destroying, destructive, detrimental, devastating, dire, doomful, dreadful, fatal, fateful, fratricidal, grievous, hapless, harmful, harrowing, herky-jerky, horrendous, horrible, horrifying, internecine, jerky, luckless, nihilist, nihilistic, orgasmic, paroxysmal, ravaging, ruining, ruinous, seismic, self-destructive, spasmodic, spastic, subversionary, subversive, suicidal, terrible, tragic, unfortunate, unlucky, upheaving, vandalic, vandalish, vandalistic, wasteful, wasting, withering, wreckful |