ignoble
mean-spirited
base
contemptible
currish
groveling
mean
petty
scurvy
small-minded
bloodthirsty
cold-blooded
coldhearted
craven
dastardly
faint-hearted
ill-natured
manipulative
narrow-minded
pusillanimous
recreant
shiftless
slothful
spiteful
stick-in-the-mud
stuck-up
unconscionable
ungenerous
ungrateful
unmanly
unprincipled
unwarlike
white-livered
womanish