apathetically
chickenheartedly
cold-bloodedly
coldheartedly
coldly
cravenly
cruelly
deadpan
dejectedly
despairingly
despondently
discouragedly
disheartenedly
disinterestedly
dispassionately
dispiritedly
downheartedly
dully
faintheartedly
forlornly
harshly
impassively
in cold blood
inclemently
inconsolably
indifferently
inexorably
like a coward
listlessly
mercilessly
numbly
phlegmatically
pitilessly
plucklessly
poltroonishly
relentlessly
remorselessly
ruthlessly
spiritlessly
spunklessly
uncompassionately
unconcernedly
uncourageously
undaringly
unemotionally
unfeelingly
unforgivingly
ungallantly
uninterestedly
unintrepidly