218 entries under adjective topic. ×

2
undue(improper, excessive, unnecessary)
2
unprincipled(false, dishonest, immoral, deceitful)
2
unreliable(false, true, dishonest, deceitful)
1
Janus-faced
1
adroit
1
apostate(mean, bad, evil, base)
1
arch
1
artificial
1
bent(false, dishonest, immoral, deceitful)
1
bribable(dishonest, immoral, rotten, untrustworthy)
1
canny
1
canting(mean, bad, evil, base)
1
debauched(dishonest, immoral, rotten, untrustworthy)
1
deluding(mean, bad, evil, base)
1
delusive(mean, bad, evil, false)
1
disreputable(false, dishonest, deceitful, lying)
1
dissembling
1
double-crossing(false, dishonest, cunning, deceitful)
1
elusive(false, deceitful, lying, sly)
1
exceeding(unreasonable, improper, excessive, unwarranted)
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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>