50 entries under sneaky topic. ×

7
underhanded(adjective, honest, false, corrupt, dishonest)
6
changeable(adjective, weak, uncertain, sensitive, doubtful)
5
inconstant(adjective, weak, false, uncertain, unpredictable)
5
variable(adjective, weak, uncertain, doubtful, dubious)
4
stealthy(adjective, quiet, mean, smooth, dishonest)
3
conspiratorial(adjective, covert, secretive)
3
secretive(adjective, mean, smooth, dishonest, cunning)
3
surreptitious(adjective, mean, smooth, dishonest, cunning)
2
clandestine(dishonest, cunning, deceitful, underhanded)
2
covert(mean, smooth, dishonest, cunning, deceitful)
2
insecure(uneven, untrustworthy, unbalanced, unhinged)
2
mutable(adjective, weak, uncertain, sensitive, doubtful)
2
skulking(covert, secretive, conspiratorial)
2
slinking(covert, secretive, conspiratorial)
2
under-the-table(covert, secretive)
2
undercover(dishonest, cunning, deceitful, underhanded)
2
unpredictable(adjective, weak, uncertain, sensitive, doubtful)
1
cautious(covert, secretive, conspiratorial)
1
circumspect(covert, secretive, conspiratorial)
1
hush-hush(dishonest, cunning, deceitful, underhanded)
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APASmart Define. (2015). shifty thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/shifty/thesaurus/synonyms
ChicagoSmart Define. 2015. "shifty thesaurus" https://smartdefine.org/shifty/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, shifty thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/shifty/thesaurus/synonyms>.
MLASmart Define. "shifty thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/shifty/thesaurus/synonyms>