christless
nonchristian
unchristianly
unchristlike
Draconian
Tartarean
animal
anthropophagous
atheist
atheistic
atrocious
barbaric
barbarous
beastly
bestial
bloodthirsty
bloody
bloody-minded
brutal
brutalized
brute
brutish
cannibalistic
cruel
cruel-hearted
demoniac
demoniacal
devilish
diabolic
disbelieving
faithless
fell
feral
ferocious
fiendish
fiendlike
fierce
gentile
godless
goyish
heathen
hellish
impious
infernal
infidel
infidelic
inhuman
inhumane
irreligious
minimifidian
misbelieving
murderous
non-Christian
antisocial
deprave
disgraceful
immoral
impolitic
indecent
iniquitous
injurious
uncharitable
unfounded
ungenerous
unjust
unreasonable
unscriptural
untenable
unwarrantable