dangerous
unsafe
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
rucidal
ruining
ruinous
sanguinary
slaughterous
subversionary
subversive
suicidal
vandalic
vandalish
vandalistic
wasteful
wasting
withering
andobsessive
animalistic
anti-business
anti-democratic
antisocial
counterproductive
detrimental
deviant
discriminatory
disruptive
divisive
maladaptive
masochistic
obsessive-compulsive
placatory
problematic
quixotic
sadistic
self-defeating
unsustainable