2
slick(adjective, mean, smooth, wrong, negative)
2
smutty(adjective, nasty, vulgar, immoral, dishonorable)
2
sordid(adjective, corrupt, dishonest, crooked, greedy)
2
tainted(adjective, dishonest, immoral, rotten, untrustworthy)
2
thieving
2
unctuous(adjective, false, deceitful, lying, untruthful)
2
unkind(adjective, nasty, cruel, wicked, uncaring)
2
unsporting(adjective, cruel, unreasonable, dishonest, immoral)
2
wanton(adjective, corrupt, dishonest, immoral, extravagant)
2
warped(adjective, perverted)
2
wrong(adjective, corrupt, wicked, dishonest, immoral)
1
aberrant(adjective, perverted)
1
abhorrent(adjective, perverted)
1
abnormal(adjective, perverted)
1
affected
1
apostate(adjective, mean, bad, evil, base)
1
aquiline
1
arbitrary(adjective, cruel, unreasonable, dishonest, immoral)
1
bad-tempered(adjective, hard, evil, rough, nasty)
1
barbarous(adjective, wicked)
10 years ago|19k views|share |citing 
APASmart Define. (2016). unscrupulous thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unscrupulous/thesaurus/synonyms
ChicagoSmart Define. 2016. "unscrupulous thesaurus" https://smartdefine.org/unscrupulous/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unscrupulous thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unscrupulous/thesaurus/synonyms>.
MLASmart Define. "unscrupulous thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/unscrupulous/thesaurus/synonyms>