un conscientious (adjective) unscrupulous: immoral
Sinonime: arrant,
base, casuistic, conscienceless,
corrupt,
crafty,
crooked,
deceitful, degraded,
degrading,
disgraceful,
dishonest, dishonorable, exploitative,
illegal,
improper, low-down,
mercenary,
perfidious,
petty,
questionable, recreant,
ruthless,
scandalous, scheming, self-seeking,
selfish,
shady,
shameless, shifty,
sinister,
slippery,
sly, two-faced, unconscientious, unconscionable, underhand, underhanded,
unethical,
unfair, unprincipled,
unworthy, venal,
wicked, wrongful
Antonime: ethical,
good,
moral, principled,
scrupulous