Synonyms and related words :
baneful, calamitous, cataclysmal, cataclysmic, catastrophic, consuming, consumptive, deadly, demolishing, demolitionary, depredatory, desolating, destroying, destructive, devastating, disastrous, dissipative, doomful, easy come, easy go, extravagant, fatal, fateful, fratricidal, incontinent, intemperate, internecine, lavish, nihilist, nihilistic, overgenerous, overlavish, overliberal, penny-wise and pound-foolish, pound-foolish, prodigal, profligate, profuse, ravaging, ruining, ruinous, self-destructive, spendthrift, subversionary, subversive, suicidal, vandalic, vandalish, vandalistic, wasting, withering