black
debasing
degrading
disgraceful
ignominious
inglorious
opprobrious
shabby
shameful
unprincipled
yellow
discreditable
dishonorable
disloyal
faithless
immoral
indecent
inexpedient
inhumane
iniquitous
injurious
nefarious
perfidious
traitorous
unethical
unfair
unkind
unmanly
untrue
untruthful
unwise