(a.) Destroying, or tending to destroy, one's self or itself; rucidal.

baneful bloodthirsty bloody bloody-minded calamitous cataclysmal cataclysmic catastrophic consuming consumptive cruel cutthroat deadly demolishing demolitionary depredatory desolating destroying destructive devastating disastrous doomful fatal fateful fratricidal gory homicidal internecine murderous nihilist nihilistic ravaging red-handed ruining ruinous sanguinary slaughterous subversionary subversive suicidal vandalic vandalish vandalistic wasteful wasting withering