Synonyms|630Antonyms|95|Broader|3Narrower|0Related|637

199 entries under adjective topic. ×

5
private(secret, hidden, clandestine, fraudulent)
5
reticent(secret, concealment, sneaky, stealthy)
5
slick(mean, sharp, false, dishonest)
5
underarm
5
untrustworthy(false, dishonest, cunning, deceitful)
4
backstairs(clandestine, underground, undisclosed)
4
bent(false, corrupt, dishonest, immoral)
4
deceiving(false, wicked, dishonest, cunning)
4
dishonorable(mean, smooth, corrupt, dishonest)
4
foul(corrupt, dishonest, shady)
4
hugger-mugger
4
insincere(false, dishonest, cunning, deceitful)
4
lying(false, corrupt, dishonest, cunning)
4
mendacious(false, dishonest, cunning, deceitful)
4
reserved(secret, concealment, sneaky, stealthy)
4
sinister(false, immoral, deceitful, lying)
4
smooth(mean, sharp, smart, intelligent)
4
unjust(fair, dishonest, cunning, deceitful)
3
cagey(secret, sneaky, stealthy)
3
conniving(mean, smooth, dishonest, cunning)
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APASmart Define. (2015). underhand thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/underhand/thesaurus/synonyms
ChicagoSmart Define. 2015. "underhand thesaurus" https://smartdefine.org/underhand/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, underhand thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/underhand/thesaurus/synonyms>.
MLASmart Define. "underhand thesaurus" 13 April 2015. Web. 24 September 2026. <https://smartdefine.org/underhand/thesaurus/synonyms>