68 entries under clandestine topic. ×

27
underhand(adjective, mean, bad, smooth, wrong)
19
cunning(adjective, mean, smooth, smart, false)
18
shifty(adjective, mean, smooth, smart, honest)
15
crafty(adjective, mean, smooth, smart, false)
15
tricky(adjective, mean, smooth, smart, false)
13
wily(adjective, mean, smooth, smart, false)
10
secret(adjective, close, latent, underhand)
10
underhanded(adjective, honest, false, corrupt, dishonest)
10
guileful(adjective, mean, smooth, smart, honest)
10
secretive(adjective, honest, dishonest, secret)
8
sneak(adjective, underground, undisclosed)
7
covert(adjective, quiet, mean, secret, sly)
5
backstairs(adjective, underground, undisclosed)
3
hidden(adjective, secret, private, underground)
3
underground(adjective, undisclosed)
2
deep(cunning, sly, crafty, underground)
2
private(adjective, secret, hidden, underground)
2
under-the-table(secret, private, hidden, underground)
1
backdoor(underground, undisclosed)
1
camouflaged(underground, undisclosed)
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APASmart Define. (2015). sneaky thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/sneaky/thesaurus/synonyms
ChicagoSmart Define. 2015. "sneaky thesaurus" https://smartdefine.org/sneaky/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, sneaky thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/sneaky/thesaurus/synonyms>.
MLASmart Define. "sneaky thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/sneaky/thesaurus/synonyms>