78 entries under shady topic. ×

4
immoral(adjective, careless, foolish, corrupt, dishonest)
4
knavish(adjective, false, dishonest, immoral, cunning)
4
underhanded(adjective, mean, bad, base, false)
4
unprincipled(adjective, low, false, dishonest, immoral)
3
base(adjective, mean, bad, dishonest, immoral)
3
debatable(uncertainty, uncertain, doubtful, dubious, suspect)
3
disputable(uncertainty, uncertain, doubtful, dubious, suspect)
3
fast and loose(expression, adjective, idiom, dishonest, immoral)
2
bent(adjective, false, dishonest, immoral, deceitful)
2
iniquitous(adjective, dishonest, immoral, rotten, crooked)
2
rotten(adjective, dishonest, immoral, crooked)
2
suspect(adjective, weak, uncertain, immoral, doubtful)
2
tainted(adjective, dishonest, immoral, rotten, crooked)
2
unethical(adjective, dishonest, immoral, rotten, fickle)
2
venal(adjective, mean, bad, base, dishonest)
1
borderline(adjective, weak, uncertain, nervous, sensitive)
1
bribable(adjective, dishonest, immoral, rotten, crooked)
1
debauched(adjective, dishonest, immoral, rotten, crooked)
1
equivocal(uncertain, doubtful, dubious, suspect, unsure)
1
exploiting(adjective, dishonest, immoral, rotten, crooked)
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APASmart Define. (2016). untrustworthy thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/untrustworthy/thesaurus/synonyms
ChicagoSmart Define. 2016. "untrustworthy thesaurus" https://smartdefine.org/untrustworthy/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2016, untrustworthy thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/untrustworthy/thesaurus/synonyms>.
MLASmart Define. "untrustworthy thesaurus" 14 March 2016. Web. 1 October 2026. <https://smartdefine.org/untrustworthy/thesaurus/synonyms>