harmful
noxious
baleful
baneful
brutal
corroding
corrosive
corrupting
corruptive
counterproductive
damaging
deadly
death-bringing
deathful
deathly
deleterious
destructive
detrimental
devastating
disadvantageous
disserviceable
distressing
fatal
feral
hurtful
injurious
internecine
killing
lethal
malefic
maleficent
malevolent
malicious
malign
malignant
miasmatic
miasmic
mischievous
mortal
noisome
pernicious anaemia
abominable
degrade
detestable
disgraceful
erroneous
futile
hateful
immoral
insidious
oppressive
poisonous
wicked
Delicious
ambitious
auspicious
capricious
delicious
expeditious
factitious
fictitious
injudicious
judicious
nutritious
propitious
repetitious
seditious
superstitious
surreptitious
suspicious
vicious