fatal
noxious
toxic
unpardonable
virulent
a la mort
abominably
accurate
agonizingly
ashen
awful
awfully
baldly
baleful
balefully
baneful
barbaric
barbarous
bitterly
blatantly
bloodthirsty
blue
boring
brashly
brutal
cadaverous
calamitous
cataclysmal
cataclysmic
catastrophic
catching
cold-blooded
communicable
confoundedly
consuming
consumptive
contagious
corpselike
corroding
corrosive
corrupting
corruptive
counterproductive
cruelly
damaging
damnably
dangerous
dead
deadened
death-bringing
deathful
deathlike
deathly
deathly pale
deadlier
deadliest
fiery
lethal
sharp
terrible
vicious
medley