218 entries under adjective topic. ×

3
venal(mean, base, dishonest, immoral)
2
Machiavellian
2
base(mean, corrupt, dishonest, immoral)
2
cheating(false, corrupt, dishonest, cunning)
2
criminal(dishonest, shady)
2
deceiving(mean, bad, evil, false)
2
designing(false, dishonest, cunning, deceitful)
2
disloyal(mean, bad, evil, base)
2
dubious(dishonest, unpredictable, fickle, suspicious)
2
faithless(mean, bad, base, dishonest)
2
falsehearted(mean, bad, evil, base)
2
lubricious(honest, underhand)
2
lying(mean, bad, evil, false)
2
mendacious(false, dishonest, cunning, deceitful)
2
nefarious(dishonest, immoral, rotten, untrustworthy)
2
prevaricating
2
roguish(false, deceitful, misleading, illusory)
2
rotten(low, dishonest, immoral, untrustworthy)
2
secretive(corrupt, dishonest, deceitful, secret)
2
unctuous(false, deceitful, lying, untruthful)
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APASmart Define. (2016). underhanded thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/underhanded/thesaurus/synonyms
ChicagoSmart Define. 2016. "underhanded thesaurus" https://smartdefine.org/underhanded/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, underhanded thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/underhanded/thesaurus/synonyms>.
MLASmart Define. "underhanded thesaurus" 22 January 2016. Web. 25 September 2026. <https://smartdefine.org/underhanded/thesaurus/synonyms>