39 entries under sly topic. ×

27
furtive(adjective, honest, dishonest, deceitful, secret)
24
clandestine(adjective, dishonest, deceitful, secret, hidden)
24
stealthy(adjective, quiet, dishonest, secret)
23
secret(adjective, dishonest, deceitful, hidden)
20
sneaky(adjective, honest, dishonest, deceitful)
20
covert(adjective, secret, hidden, clandestine)
20
underhand(adjective, dishonest, deceitful, secret)
7
devious(adjective, dishonest, cunning, deceitful, tricky)
4
slippery(adjective, dishonest, cunning, deceitful)
3
artful(mean, dishonest, deceitful, crafty)
3
deceptive(adjective, mean, smooth, dishonest, cunning)
3
illusory(mean, smooth, untruth)
3
sharp(mean, smooth)
2
designing(adjective, mean, smooth, deceitful, tricky)
2
foxy(adjective, mean, dishonest, deceitful)
1
duplicitous(dishonest, cunning, deceitful, tricky)
1
plotting(adjective, mean, smooth)
1
slick(adjective, mean, smooth)
1
smooth(adjective, mean)
0
arch(mean, smooth)
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APASmart Define. (2015). surreptitious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/surreptitious/thesaurus/synonyms
ChicagoSmart Define. 2015. "surreptitious thesaurus" https://smartdefine.org/surreptitious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, surreptitious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/surreptitious/thesaurus/synonyms>.
MLASmart Define. "surreptitious thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/surreptitious/thesaurus/synonyms>