50 entries under shady topic. ×

2
faithless(adjective, mean, bad, base, dishonest)
2
nefarious(adjective, dishonest, immoral, rotten, untrustworthy)
2
rotten(adjective, low, dishonest, immoral, untrustworthy)
2
unprincipled(adjective, false, dishonest, immoral, deceitful)
1
bent(adjective, false, dishonest, immoral, deceitful)
1
bribable(adjective, dishonest, immoral, rotten, untrustworthy)
1
debauched(adjective, dishonest, immoral, rotten, untrustworthy)
1
exploiting(adjective, dishonest, immoral, rotten, untrustworthy)
1
extortionate(adjective, dishonest, immoral, rotten, untrustworthy)
1
fast and loose(expression, adjective, idiom, dishonest, immoral)
1
fixed(adjective, dishonest, immoral, rotten, untrustworthy)
1
gone to the dogs(expression, adjective, idiom, dishonest, immoral)
1
inconstant(adjective, dishonest, immoral, unpredictable, rotten)
1
iniquitous(adjective, dishonest, immoral, rotten, untrustworthy)
1
knavish(adjective, false, dishonest, immoral, cunning)
1
on the take(expression, adjective, idiom, dishonest, immoral)
1
open(adjective, dishonest, immoral, rotten, untrustworthy)
1
padded(adjective, dishonest, immoral, rotten, untrustworthy)
1
profiteering(adjective, dishonest, immoral, rotten, untrustworthy)
1
racket up(expression, adjective, dishonest, immoral, rotten)
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APASmart Define. (2016). underhanded thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/underhanded/thesaurus/synonyms
ChicagoSmart Define. 2016. "underhanded thesaurus" https://smartdefine.org/underhanded/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, underhanded thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/underhanded/thesaurus/synonyms>.
MLASmart Define. "underhanded thesaurus" 22 January 2016. Web. 26 September 2026. <https://smartdefine.org/underhanded/thesaurus/synonyms>